212013235238 has 32 divisors (see below), whose sum is σ = 373124017728. Its totient is φ = 88454246400.

The previous prime is 212013235237. The next prime is 212013235241. The reversal of 212013235238 is 832532310212.

It is a super-2 number, since 2×212013235238² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013235237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135995 + ... + 665222.

It is an arithmetic number, because the mean of its divisors is an integer number (11660125554).

Almost surely, 2^212013235238 is an apocalyptic number.

212013235238 is a deficient number, since it is larger than the sum of its proper divisors (161110782490).

212013235238 is a wasteful number, since it uses less digits than its factorization.

212013235238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801728.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 212013235238 in words is "two hundred twelve billion, thirteen million, two hundred thirty-five thousand, two hundred thirty-eight".