100201031212 has 24 divisors (see below), whose sum is σ = 175802006016. Its totient is φ = 49971979728.

The previous prime is 100201031207. The next prime is 100201031243. The reversal of 100201031212 is 212130102001.

It is a junction number, because it is equal to n+sod(n) for n = 100201031192 and 100201031201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4964413 + ... + 4984555.

It is an arithmetic number, because the mean of its divisors is an integer number (7325083584).

Almost surely, 2^100201031212 is an apocalyptic number.

It is an amenable number.

100201031212 is a deficient number, since it is larger than the sum of its proper divisors (75600974804).

100201031212 is a wasteful number, since it uses less digits than its factorization.

100201031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23277 (or 23275 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 100201031212 its reverse (212130102001), we get a palindrome (312331133213).

The spelling of 100201031212 in words is "one hundred billion, two hundred one million, thirty-one thousand, two hundred twelve".