212531363135212 has 36 divisors (see below), whose sum is σ = 408824269754040. Its totient is φ = 96603091298560.

The previous prime is 212531363135209. The next prime is 212531363135237.

212531363135212 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×212531363135212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17969739 + ... + 27349117.

It is an arithmetic number, because the mean of its divisors is an integer number (11356229715390).

Almost surely, 2^{212531363135212} is an apocalyptic number.

212531363135212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212531363135212 is a deficient number, since it is larger than the sum of its proper divisors (196292906618828).

212531363135212 is a wasteful number, since it uses less digits than its factorization.

212531363135212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426222 (or 9426209 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The spelling of 212531363135212 in words is "two hundred twelve trillion, five hundred thirty-one billion, three hundred sixty-three million, one hundred thirty-five thousand, two hundred twelve".