212351756367145 has 8 divisors (see below), whose sum is σ = 256767314569920. Its totient is φ = 168584600474160.

The previous prime is 212351756367071. The next prime is 212351756367161. The reversal of 212351756367145 is 541763657153212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212351756367145 - 2¹⁹ = 212351755842857 is a prime.

It is a super-2 number, since 2×212351756367145² (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 212351756367145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162100576725 + ... + 162100578034.

It is an arithmetic number, because the mean of its divisors is an integer number (32095914321240).

Almost surely, 2^{212351756367145} is an apocalyptic number.

It is an amenable number.

212351756367145 is a deficient number, since it is larger than the sum of its proper divisors (44415558202775).

212351756367145 is a wasteful number, since it uses less digits than its factorization.

212351756367145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324201154895.

The product of its digits is 31752000, while the sum is 58.

The spelling of 212351756367145 in words is "two hundred twelve trillion, three hundred fifty-one billion, seven hundred fifty-six million, three hundred sixty-seven thousand, one hundred forty-five".