322012142320 has 40 divisors (see below), whose sum is σ = 816739890480. Its totient is φ = 117095324160.

The previous prime is 322012142317. The next prime is 322012142323. The reversal of 322012142320 is 23241210223.

It is an interprime number because it is at equal distance from previous prime (322012142317) and next prime (322012142323).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 322012142291 and 322012142300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322012142323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182960565 + ... + 182962324.

It is an arithmetic number, because the mean of its divisors is an integer number (20418497262).

Almost surely, 2^322012142320 is an apocalyptic number.

It is an amenable number.

322012142320 is an abundant number, since it is smaller than the sum of its proper divisors (494727748160).

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

322012142320 is a wasteful number, since it uses less digits than its factorization.

322012142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365922913 (or 365922907 counting only the distinct ones).

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

Adding to 322012142320 its reverse (23241210223), we get a palindrome (345253352543).

The spelling of 322012142320 in words is "three hundred twenty-two billion, twelve million, one hundred forty-two thousand, three hundred twenty".