312203412140 has 48 divisors (see below), whose sum is σ = 665864381952. Its totient is φ = 122933950656.

The previous prime is 312203412121. The next prime is 312203412181. The reversal of 312203412140 is 41214302213.

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, 1914239 + ... + 2070921.

It is an arithmetic number, because the mean of its divisors is an integer number (13872174624).

Almost surely, 2^312203412140 is an apocalyptic number.

It is an amenable number.

312203412140 is an abundant number, since it is smaller than the sum of its proper divisors (353660969812).

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

312203412140 is a wasteful number, since it uses less digits than its factorization.

312203412140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158246 (or 158244 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 312203412140 its reverse (41214302213), we get a palindrome (353417714353).

The spelling of 312203412140 in words is "three hundred twelve billion, two hundred three million, four hundred twelve thousand, one hundred forty".