13121123030988 has 48 divisors (see below), whose sum is σ = 34989863134464. Its totient is φ = 3748870681920.

The previous prime is 13121123030969. The next prime is 13121123031011. The reversal of 13121123030988 is 88903032112131.

It is a super-2 number, since 2×13121123030988² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19368958 + ... + 20034938.

It is an arithmetic number, because the mean of its divisors is an integer number (728955481968).

Almost surely, 2^{13121123030988} is an apocalyptic number.

It is an amenable number.

13121123030988 is an abundant number, since it is smaller than the sum of its proper divisors (21868740103476).

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

13121123030988 is a wasteful number, since it uses less digits than its factorization.

13121123030988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900542 (or 900540 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 13121123030988 in words is "thirteen trillion, one hundred twenty-one billion, one hundred twenty-three million, thirty thousand, nine hundred eighty-eight".