100432123012 has 48 divisors (see below), whose sum is σ = 197552138112. Its totient is φ = 44327416320.

The previous prime is 100432122991. The next prime is 100432123079. The reversal of 100432123012 is 210321234001.

It is a happy number.

It is a super-2 number, since 2×100432123012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7249212 + ... + 7263052.

It is an arithmetic number, because the mean of its divisors is an integer number (4115669544).

Almost surely, 2^100432123012 is an apocalyptic number.

It is an amenable number.

100432123012 is a deficient number, since it is larger than the sum of its proper divisors (97120015100).

100432123012 is a wasteful number, since it uses less digits than its factorization.

100432123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19948 (or 19946 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100432123012 its reverse (210321234001), we get a palindrome (310753357013).

The spelling of 100432123012 in words is "one hundred billion, four hundred thirty-two million, one hundred twenty-three thousand, twelve".