100705016517212 has 12 divisors (see below), whose sum is σ = 176235609837840. Its totient is φ = 50351985134976.

The previous prime is 100705016517181. The next prime is 100705016517233. The reversal of 100705016517212 is 212715610507001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130347608 + ... + 131117919.

It is an arithmetic number, because the mean of its divisors is an integer number (14686300819820).

Almost surely, 2^{100705016517212} is an apocalyptic number.

It is an amenable number.

100705016517212 is a deficient number, since it is larger than the sum of its proper divisors (75530593320628).

100705016517212 is a wasteful number, since it uses less digits than its factorization.

100705016517212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261561820 (or 261561818 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 38.

The spelling of 100705016517212 in words is "one hundred trillion, seven hundred five billion, sixteen million, five hundred seventeen thousand, two hundred twelve".