212312012012031 has 8 divisors (see below), whose sum is σ = 289987138358064. Its totient is φ = 138089113503680.

The previous prime is 212312012011997. The next prime is 212312012012099. The reversal of 212312012012031 is 130210210213212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212312012012031 - 2¹⁷ = 212312011880959 is a prime.

It is a super-2 number, since 2×212312012012031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212312012011989 and 212312012012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212312012012131) 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, 863056959276 + ... + 863056959521.

It is an arithmetic number, because the mean of its divisors is an integer number (36248392294758).

Almost surely, 2^{212312012012031} is an apocalyptic number.

212312012012031 is a deficient number, since it is larger than the sum of its proper divisors (77675126346033).

212312012012031 is a wasteful number, since it uses less digits than its factorization.

212312012012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726113918841.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 212312012012031 its reverse (130210210213212), we get a palindrome (342522222225243).

The spelling of 212312012012031 in words is "two hundred twelve trillion, three hundred twelve billion, twelve million, twelve thousand, thirty-one".