210001211192 has 8 divisors (see below), whose sum is σ = 393752271000. Its totient is φ = 105000605592.

The previous prime is 210001211183. The next prime is 210001211209. The reversal of 210001211192 is 291112100012.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13125075692 + ... + 13125075707.

It is an arithmetic number, because the mean of its divisors is an integer number (49219033875).

Almost surely, 2^210001211192 is an apocalyptic number.

It is an amenable number.

210001211192 is a deficient number, since it is larger than the sum of its proper divisors (183751059808).

210001211192 is a wasteful number, since it uses less digits than its factorization.

210001211192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26250151405 (or 26250151401 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 210001211192 in words is "two hundred ten billion, one million, two hundred eleven thousand, one hundred ninety-two".