1213220102 has 8 divisors (see below), whose sum is σ = 1824034296. Its totient is φ = 605208672.

The previous prime is 1213220089. The next prime is 1213220131. The reversal of 1213220102 is 2010223121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699608 + ... + 701339.

It is an arithmetic number, because the mean of its divisors is an integer number (228004287).

Almost surely, 2^1213220102 is an apocalyptic number.

1213220102 is a deficient number, since it is larger than the sum of its proper divisors (610814194).

1213220102 is a wasteful number, since it uses less digits than its factorization.

1213220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401382.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1213220102 is about 34831.3092202978. The cubic root of 1213220102 is about 1066.5466743712.

Adding to 1213220102 its reverse (2010223121), we get a palindrome (3223443223).

It can be divided in two parts, 121 and 3220102, that added together give a palindrome (3220223).

The spelling of 1213220102 in words is "one billion, two hundred thirteen million, two hundred twenty thousand, one hundred two".