312002123402 has 8 divisors (see below), whose sum is σ = 469351898496. Its totient is φ = 155551490572.

The previous prime is 312002123383. The next prime is 312002123423. The reversal of 312002123402 is 204321200213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224784698 + ... + 224786085.

It is an arithmetic number, because the mean of its divisors is an integer number (58668987312).

Almost surely, 2^312002123402 is an apocalyptic number.

312002123402 is a deficient number, since it is larger than the sum of its proper divisors (157349775094).

312002123402 is a wasteful number, since it uses less digits than its factorization.

312002123402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449571132.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 312002123402 its reverse (204321200213), we get a palindrome (516323323615).

The spelling of 312002123402 in words is "three hundred twelve billion, two million, one hundred twenty-three thousand, four hundred two".