312000122023420 has 48 divisors (see below), whose sum is σ = 663145919378208. Its totient is φ = 123286823562240.

The previous prime is 312000122023393. The next prime is 312000122023453. The reversal of 312000122023420 is 24320221000213.

It is a super-2 number, since 2×312000122023420² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312000122023391 and 312000122023400.

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, 13997632 + ... + 28634488.

It is an arithmetic number, because the mean of its divisors is an integer number (13815539987046).

Almost surely, 2^{312000122023420} is an apocalyptic number.

It is an amenable number.

312000122023420 is an abundant number, since it is smaller than the sum of its proper divisors (351145797354788).

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

312000122023420 is a wasteful number, since it uses less digits than its factorization.

312000122023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14649790 (or 14649788 counting only the distinct ones).

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

Adding to 312000122023420 its reverse (24320221000213), we get a palindrome (336320343023633).

The spelling of 312000122023420 in words is "three hundred twelve trillion, one hundred twenty-two million, twenty-three thousand, four hundred twenty".