212907120237 has 48 divisors (see below), whose sum is σ = 352642338048. Its totient is φ = 121254382080.

The previous prime is 212907120229. The next prime is 212907120253. The reversal of 212907120237 is 732021709212.

212907120237 is a `hidden beast` number, since 212 + 90 + 7 + 120 + 237 = 666.

It is not a de Polignac number, because 212907120237 - 2³ = 212907120229 is a prime.

It is a super-2 number, since 2×212907120237² (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 (212907120277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68216037 + ... + 68219157.

It is an arithmetic number, because the mean of its divisors is an integer number (7346715376).

Almost surely, 2^212907120237 is an apocalyptic number.

It is an amenable number.

212907120237 is a deficient number, since it is larger than the sum of its proper divisors (139735217811).

212907120237 is a wasteful number, since it uses less digits than its factorization.

212907120237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410 (or 6407 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

Adding to 212907120237 its reverse (732021709212), we get a palindrome (944928829449).

The spelling of 212907120237 in words is "two hundred twelve billion, nine hundred seven million, one hundred twenty thousand, two hundred thirty-seven".