312000122041400 has 48 divisors (see below), whose sum is σ = 781200305579400. Its totient is φ = 115200045060480.

The previous prime is 312000122041357. The next prime is 312000122041403. The reversal of 312000122041400 is 4140221000213.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312000122041403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60000020870 + ... + 60000026069.

Almost surely, 2^{312000122041400} is an apocalyptic number.

It is an amenable number.

312000122041400 is an abundant number, since it is smaller than the sum of its proper divisors (469200183538000).

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

312000122041400 is a wasteful number, since it uses less digits than its factorization.

312000122041400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120000046968 (or 120000046959 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 312000122041400 its reverse (4140221000213), we get a palindrome (316140343041613).

The spelling of 312000122041400 in words is "three hundred twelve trillion, one hundred twenty-two million, forty-one thousand, four hundred".