31212000013229 has 8 divisors (see below), whose sum is σ = 35670913457088. Its totient is φ = 26753100644160.

The previous prime is 31212000013213. The next prime is 31212000013267. The reversal of 31212000013229 is 92231000021213.

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 31212000013229 - 2⁴ = 31212000013213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31212000013198 and 31212000013207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31212000012229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1761509 + ... + 8094869.

It is an arithmetic number, because the mean of its divisors is an integer number (4458864182136).

Almost surely, 2^{31212000013229} is an apocalyptic number.

It is an amenable number.

31212000013229 is a deficient number, since it is larger than the sum of its proper divisors (4458913443859).

31212000013229 is an equidigital number, since it uses as much as digits as its factorization.

31212000013229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037395.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 31212000013229 in words is "thirty-one trillion, two hundred twelve billion, thirteen thousand, two hundred twenty-nine".