1212113133210 has 32 divisors (see below), whose sum is σ = 3324653165952. Its totient is φ = 277054430400.

The previous prime is 1212113133191. The next prime is 1212113133221. The reversal of 1212113133210 is 123313112121.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 2885983441 + ... + 2885983860.

It is an arithmetic number, because the mean of its divisors is an integer number (103895411436).

Almost surely, 2^{1212113133210} is an apocalyptic number.

1212113133210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212113133210 is an abundant number, since it is smaller than the sum of its proper divisors (2112540032742).

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

1212113133210 is a wasteful number, since it uses less digits than its factorization.

1212113133210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771967318.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1212113133210 its reverse (123313112121), we get a palindrome (1335426245331).

The spelling of 1212113133210 in words is "one trillion, two hundred twelve billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred ten".