212250176051421 has 192 divisors, whose sum is σ = 321727943851776. Its totient is φ = 123922494259200.

The previous prime is 212250176051399. The next prime is 212250176051443. The reversal of 212250176051421 is 124150671052212.

It is an interprime number because it is at equal distance from previous prime (212250176051399) and next prime (212250176051443).

It is not a de Polignac number, because 212250176051421 - 2⁶ = 212250176051357 is a prime.

It is a super-2 number, since 2×212250176051421² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212250176051421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212250176051821) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 101994317101 + ... + 101994319181.

It is an arithmetic number, because the mean of its divisors is an integer number (1675666374228).

Almost surely, 2^{212250176051421} is an apocalyptic number.

It is an amenable number.

212250176051421 is a deficient number, since it is larger than the sum of its proper divisors (109477767800355).

212250176051421 is a wasteful number, since it uses less digits than its factorization.

212250176051421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912 (or 2875 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 212250176051421 in words is "two hundred twelve trillion, two hundred fifty billion, one hundred seventy-six million, fifty-one thousand, four hundred twenty-one".