1212002210 has 32 divisors (see below), whose sum is σ = 2327909760. Its totient is φ = 452988288.

The previous prime is 1212002201. The next prime is 1212002213. The reversal of 1212002210 is 122002121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1212002191 and 1212002200.

It is not an unprimeable number, because it can be changed into a prime (1212002213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29822 + ... + 57561.

It is an arithmetic number, because the mean of its divisors is an integer number (72747180).

Almost surely, 2^1212002210 is an apocalyptic number.

1212002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212002210 is a deficient number, since it is larger than the sum of its proper divisors (1115907550).

1212002210 is a wasteful number, since it uses less digits than its factorization.

1212002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87482.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1212002210 is about 34813.8221113396. The cubic root of 1212002210 is about 1066.1896702987.

Adding to 1212002210 its reverse (122002121), we get a palindrome (1334004331).

The spelling of 1212002210 in words is "one billion, two hundred twelve million, two thousand, two hundred ten".