312204445149 has 16 divisors (see below), whose sum is σ = 427602950208. Its totient is φ = 202473217152.

The previous prime is 312204445141. The next prime is 312204445169. The reversal of 312204445149 is 941544402213.

It is not a de Polignac number, because 312204445149 - 2³ = 312204445141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312204445141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341674 + ... + 860900.

It is an arithmetic number, because the mean of its divisors is an integer number (26725184388).

Almost surely, 2^312204445149 is an apocalyptic number.

It is an amenable number.

312204445149 is a deficient number, since it is larger than the sum of its proper divisors (115398505059).

312204445149 is a wasteful number, since it uses less digits than its factorization.

312204445149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524684.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 312204445149 in words is "three hundred twelve billion, two hundred four million, four hundred forty-five thousand, one hundred forty-nine".