10402121132 has 24 divisors (see below), whose sum is σ = 19612601232. Its totient is φ = 4798872000.

The previous prime is 10402121117. The next prime is 10402121137. The reversal of 10402121132 is 23112120401.

It is a super-2 number, since 2×10402121132² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10402121132.

It is not an unprimeable number, because it can be changed into a prime (10402121137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79007 + ... + 164457.

It is an arithmetic number, because the mean of its divisors is an integer number (817191718).

Almost surely, 2^10402121132 is an apocalyptic number.

It is an amenable number.

10402121132 is a deficient number, since it is larger than the sum of its proper divisors (9210480100).

10402121132 is a wasteful number, since it uses less digits than its factorization.

10402121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87809 (or 87807 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10402121132 its reverse (23112120401), we get a palindrome (33514241533).

The spelling of 10402121132 in words is "ten billion, four hundred two million, one hundred twenty-one thousand, one hundred thirty-two".