12121333311010 has 128 divisors (see below), whose sum is σ = 28904071809024. Its totient is φ = 3543272156160.

The previous prime is 12121333310971. The next prime is 12121333311029. The reversal of 12121333311010 is 1011333312121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2068429 + ... + 5340511.

It is an arithmetic number, because the mean of its divisors is an integer number (225813061008).

Almost surely, 2^{12121333311010} is an apocalyptic number.

12121333311010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121333311010 is an abundant number, since it is smaller than the sum of its proper divisors (16782738498014).

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

12121333311010 is a wasteful number, since it uses less digits than its factorization.

12121333311010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272408.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12121333311010 its reverse (1011333312121), we get a palindrome (13132666623131).

The spelling of 12121333311010 in words is "twelve trillion, one hundred twenty-one billion, three hundred thirty-three million, three hundred eleven thousand, ten".