312000122321342 has 128 divisors (see below), whose sum is σ = 600628285931520. Its totient is φ = 118236457745280.

The previous prime is 312000122321323. The next prime is 312000122321347. The reversal of 312000122321342 is 243123221000213.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312000122321347) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 314062493 + ... + 315054359.

It is an arithmetic number, because the mean of its divisors is an integer number (4692408483840).

Almost surely, 2^{312000122321342} is an apocalyptic number.

312000122321342 is a deficient number, since it is larger than the sum of its proper divisors (288628163610178).

312000122321342 is a wasteful number, since it uses less digits than its factorization.

312000122321342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992486.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 312000122321342 its reverse (243123221000213), we get a palindrome (555123343321555).

The spelling of 312000122321342 in words is "three hundred twelve trillion, one hundred twenty-two million, three hundred twenty-one thousand, three hundred forty-two".