212645104001 has 32 divisors (see below), whose sum is σ = 252469872000. Its totient is φ = 176992750080.

The previous prime is 212645103967. The next prime is 212645104003. The reversal of 212645104001 is 100401546212.

It is not a de Polignac number, because 212645104001 - 2¹⁴ = 212645087617 is a prime.

It is a super-2 number, since 2×212645104001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212645104003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1059941 + ... + 1244493.

It is an arithmetic number, because the mean of its divisors is an integer number (7889683500).

Almost surely, 2^212645104001 is an apocalyptic number.

It is an amenable number.

212645104001 is a deficient number, since it is larger than the sum of its proper divisors (39824767999).

212645104001 is a wasteful number, since it uses less digits than its factorization.

212645104001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184769.

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 212645104001 in words is "two hundred twelve billion, six hundred forty-five million, one hundred four thousand, one".