212267542044 has 24 divisors (see below), whose sum is σ = 496760646928. Its totient is φ = 70545888000.

The previous prime is 212267542021. The next prime is 212267542049. The reversal of 212267542044 is 440245762212.

It is a junction number, because it is equal to n+sod(n) for n = 212267541993 and 212267542011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212267542049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26240707 + ... + 26248794.

Almost surely, 2^212267542044 is an apocalyptic number.

It is an amenable number.

212267542044 is an abundant number, since it is smaller than the sum of its proper divisors (284493104884).

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

212267542044 is a wasteful number, since it uses less digits than its factorization.

212267542044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52489845 (or 52489843 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

The spelling of 212267542044 in words is "two hundred twelve billion, two hundred sixty-seven million, five hundred forty-two thousand, forty-four".