100031222012 has 6 divisors (see below), whose sum is σ = 175054638528. Its totient is φ = 50015611004.

The previous prime is 100031222009. The next prime is 100031222029. The reversal of 100031222012 is 210222130001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12503902748 + ... + 12503902755.

It is an arithmetic number, because the mean of its divisors is an integer number (29175773088).

Almost surely, 2^100031222012 is an apocalyptic number.

It is an amenable number.

100031222012 is a deficient number, since it is larger than the sum of its proper divisors (75023416516).

100031222012 is a wasteful number, since it uses less digits than its factorization.

100031222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25007805507 (or 25007805505 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100031222012 its reverse (210222130001), we get a palindrome (310253352013).

The spelling of 100031222012 in words is "one hundred billion, thirty-one million, two hundred twenty-two thousand, twelve".