312234240020 has 48 divisors (see below), whose sum is σ = 684330691968. Its totient is φ = 119440759680.

The previous prime is 312234239927. The next prime is 312234240049. The reversal of 312234240020 is 20042432213.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2457455 + ... + 2581385.

It is an arithmetic number, because the mean of its divisors is an integer number (14256889416).

Almost surely, 2^312234240020 is an apocalyptic number.

It is an amenable number.

312234240020 is an abundant number, since it is smaller than the sum of its proper divisors (372096451948).

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

312234240020 is a wasteful number, since it uses less digits than its factorization.

312234240020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129440 (or 129438 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 312234240020 its reverse (20042432213), we get a palindrome (332276672233).

The spelling of 312234240020 in words is "three hundred twelve billion, two hundred thirty-four million, two hundred forty thousand, twenty".