212213035545 has 64 divisors (see below), whose sum is σ = 392329267200. Its totient is φ = 95944762368.

The previous prime is 212213035477. The next prime is 212213035553. The reversal of 212213035545 is 545530312212.

It is not a de Polignac number, because 212213035545 - 2²¹ = 212210938393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5521806 + ... + 5560104.

It is an arithmetic number, because the mean of its divisors is an integer number (6130144800).

Almost surely, 2^212213035545 is an apocalyptic number.

It is an amenable number.

212213035545 is a deficient number, since it is larger than the sum of its proper divisors (180116231655).

212213035545 is a wasteful number, since it uses less digits than its factorization.

212213035545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38894.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 212213035545 its reverse (545530312212), we get a palindrome (757743347757).

The spelling of 212213035545 in words is "two hundred twelve billion, two hundred thirteen million, thirty-five thousand, five hundred forty-five".