100021132312 has 16 divisors (see below), whose sum is σ = 188662617360. Its totient is φ = 49711101024.

The previous prime is 100021132301. The next prime is 100021132331. The reversal of 100021132312 is 213231120001.

It is a super-2 number, since 2×100021132312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37431723 + ... + 37434394.

It is an arithmetic number, because the mean of its divisors is an integer number (11791413585).

Almost surely, 2^100021132312 is an apocalyptic number.

It is an amenable number.

100021132312 is a deficient number, since it is larger than the sum of its proper divisors (88641485048).

100021132312 is a wasteful number, since it uses less digits than its factorization.

100021132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74866290 (or 74866286 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 100021132312 its reverse (213231120001), we get a palindrome (313252252313).

The spelling of 100021132312 in words is "one hundred billion, twenty-one million, one hundred thirty-two thousand, three hundred twelve".