100212131012312 has 32 divisors (see below), whose sum is σ = 204979751269200. Its totient is φ = 45550881446400.

The previous prime is 100212131012251. The next prime is 100212131012339. The reversal of 100212131012312 is 213210131212001.

It is a congruent number.

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, 75738764 + ... + 77050532.

Almost surely, 2^{100212131012312} is an apocalyptic number.

It is an amenable number.

100212131012312 is an abundant number, since it is smaller than the sum of its proper divisors (104767620256888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100212131012312 is a wasteful number, since it uses less digits than its factorization.

100212131012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179907 (or 2179903 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 100212131012312 its reverse (213210131212001), we get a palindrome (313422262224313).

The spelling of 100212131012312 in words is "one hundred trillion, two hundred twelve billion, one hundred thirty-one million, twelve thousand, three hundred twelve".