312202230402340 has 12 divisors (see below), whose sum is σ = 655624683844956. Its totient is φ = 124880892160928.

The previous prime is 312202230402331. The next prime is 312202230402397. The reversal of 312202230402340 is 43204032202213.

It can be written as a sum of positive squares in 2 ways, for example, as 103784096752704 + 208418133649636 = 10187448^2 + 14436694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312202230402299 and 312202230402308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7805055760039 + ... + 7805055760078.

It is an arithmetic number, because the mean of its divisors is an integer number (54635390320413).

Almost surely, 2^{312202230402340} is an apocalyptic number.

It is an amenable number.

312202230402340 is an abundant number, since it is smaller than the sum of its proper divisors (343422453442616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312202230402340 is a wasteful number, since it uses less digits than its factorization.

312202230402340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15610111520126 (or 15610111520124 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 312202230402340 its reverse (43204032202213), we get a palindrome (355406262604553).

The spelling of 312202230402340 in words is "three hundred twelve trillion, two hundred two billion, two hundred thirty million, four hundred two thousand, three hundred forty".