212023030040 has 64 divisors (see below), whose sum is σ = 479997727200. Its totient is φ = 84286835712.

The previous prime is 212023030039. The next prime is 212023030067. The reversal of 212023030040 is 40030320212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5136524 + ... + 5177636.

Almost surely, 2^212023030040 is an apocalyptic number.

212023030040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212023030040 is an abundant number, since it is smaller than the sum of its proper divisors (267974697160).

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

212023030040 is a wasteful number, since it uses less digits than its factorization.

212023030040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41916 (or 41912 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 212023030040 its reverse (40030320212), we get a palindrome (252053350252).

The spelling of 212023030040 in words is "two hundred twelve billion, twenty-three million, thirty thousand, forty".