312532121342 has 48 divisors (see below), whose sum is σ = 577357327440. Its totient is φ = 126159126912.

The previous prime is 312532121303. The next prime is 312532121357. The reversal of 312532121342 is 243121235213.

It is a super-2 number, since 2×312532121342² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162983 + ... + 807234.

It is an arithmetic number, because the mean of its divisors is an integer number (12028277655).

Almost surely, 2^312532121342 is an apocalyptic number.

312532121342 is a deficient number, since it is larger than the sum of its proper divisors (264825206098).

312532121342 is a wasteful number, since it uses less digits than its factorization.

312532121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970425 (or 970418 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

Adding to 312532121342 its reverse (243121235213), we get a palindrome (555653356555).

The spelling of 312532121342 in words is "three hundred twelve billion, five hundred thirty-two million, one hundred twenty-one thousand, three hundred forty-two".