212112100020195 has 96 divisors (see below), whose sum is σ = 395280443750400. Its totient is φ = 104882981559552.

The previous prime is 212112100020181. The next prime is 212112100020217. The reversal of 212112100020195 is 591020001211212.

It is not a de Polignac number, because 212112100020195 - 2¹² = 212112100016099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 470702809 + ... + 471153221.

It is an arithmetic number, because the mean of its divisors is an integer number (4117504622400).

Almost surely, 2^{212112100020195} is an apocalyptic number.

212112100020195 is a deficient number, since it is larger than the sum of its proper divisors (183168343730205).

212112100020195 is a wasteful number, since it uses less digits than its factorization.

212112100020195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462209 (or 462206 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The spelling of 212112100020195 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred million, twenty thousand, one hundred ninety-five".