331012212203121 has 32 divisors (see below), whose sum is σ = 452821129297920. Its totient is φ = 215005730145024.

The previous prime is 331012212203119. The next prime is 331012212203159. The reversal of 331012212203121 is 121302212210133.

It is not a de Polignac number, because 331012212203121 - 2¹ = 331012212203119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331012212203091 and 331012212203100.

It is not an unprimeable number, because it can be changed into a prime (331012212203191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492148560 + ... + 492820686.

It is an arithmetic number, because the mean of its divisors is an integer number (14150660290560).

Almost surely, 2^{331012212203121} is an apocalyptic number.

It is an amenable number.

331012212203121 is a deficient number, since it is larger than the sum of its proper divisors (121808917094799).

331012212203121 is a wasteful number, since it uses less digits than its factorization.

331012212203121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696925.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 331012212203121 its reverse (121302212210133), we get a palindrome (452314424413254).

The spelling of 331012212203121 in words is "three hundred thirty-one trillion, twelve billion, two hundred twelve million, two hundred three thousand, one hundred twenty-one".