100312201031212 has 12 divisors (see below), whose sum is σ = 175578782352736. Its totient is φ = 50146834644720.

The previous prime is 100312201031171. The next prime is 100312201031213. The reversal of 100312201031212 is 212130102213001.

It is a self number, because there is not a number n which added to its sum of digits gives 100312201031212.

It is not an unprimeable number, because it can be changed into a prime (100312201031213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2316443364 + ... + 2316486667.

Almost surely, 2^{100312201031212} is an apocalyptic number.

It is an amenable number.

100312201031212 is a deficient number, since it is larger than the sum of its proper divisors (75266581321524).

100312201031212 is a wasteful number, since it uses less digits than its factorization.

100312201031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632935448 (or 4632935446 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 100312201031212 its reverse (212130102213001), we get a palindrome (312442303244213).

The spelling of 100312201031212 in words is "one hundred trillion, three hundred twelve billion, two hundred one million, thirty-one thousand, two hundred twelve".