212153255022 has 8 divisors (see below), whose sum is σ = 424306510056. Its totient is φ = 70717751672.

The previous prime is 212153254981. The next prime is 212153255057. The reversal of 212153255022 is 220552351212.

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

212153255022 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17679437913 + ... + 17679437924.

It is an arithmetic number, because the mean of its divisors is an integer number (53038313757).

Almost surely, 2^212153255022 is an apocalyptic number.

212153255022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212153255022 is a wasteful number, since it uses less digits than its factorization.

212153255022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35358875842.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 212153255022 in words is "two hundred twelve billion, one hundred fifty-three million, two hundred fifty-five thousand, twenty-two".