312240413020 has 12 divisors (see below), whose sum is σ = 655704867384. Its totient is φ = 124896165200.

The previous prime is 312240412973. The next prime is 312240413041. The reversal of 312240413020 is 20314042213.

It is a junction number, because it is equal to n+sod(n) for n = 312240412982 and 312240413000.

It is a congruent number.

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, 7806010306 + ... + 7806010345.

It is an arithmetic number, because the mean of its divisors is an integer number (54642072282).

Almost surely, 2^312240413020 is an apocalyptic number.

It is an amenable number.

312240413020 is an abundant number, since it is smaller than the sum of its proper divisors (343464454364).

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

312240413020 is a wasteful number, since it uses less digits than its factorization.

312240413020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15612020660 (or 15612020658 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 312240413020 its reverse (20314042213), we get a palindrome (332554455233).

The spelling of 312240413020 in words is "three hundred twelve billion, two hundred forty million, four hundred thirteen thousand, twenty".