10645122120 has 64 divisors (see below), whose sum is σ = 32614859520. Its totient is φ = 2778299904.

The previous prime is 10645122113. The next prime is 10645122127. The reversal of 10645122120 is 2122154601.

It is an interprime number because it is at equal distance from previous prime (10645122113) and next prime (10645122127).

It is a super-2 number, since 2×10645122120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (10645122127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 938077 + ... + 949356.

It is an arithmetic number, because the mean of its divisors is an integer number (509607180).

Almost surely, 2^10645122120 is an apocalyptic number.

10645122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10645122120 is an abundant number, since it is smaller than the sum of its proper divisors (21969737400).

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

10645122120 is a wasteful number, since it uses less digits than its factorization.

10645122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887494 (or 1887490 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 10645122120 its reverse (2122154601), we get a palindrome (12767276721).

The spelling of 10645122120 in words is "ten billion, six hundred forty-five million, one hundred twenty-two thousand, one hundred twenty".