212004355411251 has 48 divisors (see below), whose sum is σ = 335261378350080. Its totient is φ = 128315106279360.

The previous prime is 212004355411243. The next prime is 212004355411253. The reversal of 212004355411251 is 152114553400212.

212004355411251 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 0 + 43 + 554 + 1 + 12 + 51 = 666.

It is not a de Polignac number, because 212004355411251 - 2³ = 212004355411243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212004355411253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59175715 + ... + 62655996.

It is an arithmetic number, because the mean of its divisors is an integer number (6984612048960).

Almost surely, 2^{212004355411251} is an apocalyptic number.

212004355411251 is a deficient number, since it is larger than the sum of its proper divisors (123257022938829).

212004355411251 is a wasteful number, since it uses less digits than its factorization.

212004355411251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121831976 (or 121831973 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 212004355411251 in words is "two hundred twelve trillion, four billion, three hundred fifty-five million, four hundred eleven thousand, two hundred fifty-one".