212553536154 has 16 divisors (see below), whose sum is σ = 425119470240. Its totient is φ = 70849112400.

The previous prime is 212553536137. The next prime is 212553536197. The reversal of 212553536154 is 451635355212.

It is a super-2 number, since 2×212553536154² (a number of 23 digits) contains 22 as substring.

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, 285772 + ... + 711879.

It is an arithmetic number, because the mean of its divisors is an integer number (26569966890).

Almost surely, 2^212553536154 is an apocalyptic number.

212553536154 is an abundant number, since it is smaller than the sum of its proper divisors (212565934086).

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

212553536154 is a wasteful number, since it uses less digits than its factorization.

212553536154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033165.

The product of its digits is 540000, while the sum is 42.

The spelling of 212553536154 in words is "two hundred twelve billion, five hundred fifty-three million, five hundred thirty-six thousand, one hundred fifty-four".