1213020060 has 48 divisors (see below), whose sum is σ = 3881665536. Its totient is φ = 277261632.

The previous prime is 1213020047. The next prime is 1213020073. The reversal of 1213020060 is 600203121.

It is an interprime number because it is at equal distance from previous prime (1213020047) and next prime (1213020073).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443652 + ... + 1444491.

It is an arithmetic number, because the mean of its divisors is an integer number (80868032).

Almost surely, 2^1213020060 is an apocalyptic number.

1213020060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213020060 is an abundant number, since it is smaller than the sum of its proper divisors (2668645476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213020060 is a wasteful number, since it uses less digits than its factorization.

1213020060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888162 (or 2888160 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1213020060 is about 34828.4375187863. The cubic root of 1213020060 is about 1066.4880519066.

Adding to 1213020060 its reverse (600203121), we get a palindrome (1813223181).

The spelling of 1213020060 in words is "one billion, two hundred thirteen million, twenty thousand, sixty".