10120132891356 has 24 divisors (see below), whose sum is σ = 23830282346640. Its totient is φ = 3342429211392.

The previous prime is 10120132891339. The next prime is 10120132891357. The reversal of 10120132891356 is 65319823102101.

It is a happy number.

It is a super-3 number, since 3×10120132891356³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120132891357) 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, 3868551021 + ... + 3868553636.

It is an arithmetic number, because the mean of its divisors is an integer number (992928431110).

Almost surely, 2^{10120132891356} is an apocalyptic number.

It is an amenable number.

10120132891356 is an abundant number, since it is smaller than the sum of its proper divisors (13710149455284).

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

10120132891356 is a wasteful number, since it uses less digits than its factorization.

10120132891356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737104773 (or 7737104771 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

Adding to 10120132891356 its reverse (65319823102101), we get a palindrome (75439955993457).

The spelling of 10120132891356 in words is "ten trillion, one hundred twenty billion, one hundred thirty-two million, eight hundred ninety-one thousand, three hundred fifty-six".