312223213002 has 16 divisors (see below), whose sum is σ = 624935436192. Its totient is φ = 103992902640.

The previous prime is 312223212991. The next prime is 312223213147. The reversal of 312223213002 is 200312322213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 312223213002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20367124 + ... + 20382447.

It is an arithmetic number, because the mean of its divisors is an integer number (39058464762).

Almost surely, 2^312223213002 is an apocalyptic number.

312223213002 is an abundant number, since it is smaller than the sum of its proper divisors (312712223190).

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

312223213002 is a wasteful number, since it uses less digits than its factorization.

312223213002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40750853.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312223213002 its reverse (200312322213), we get a palindrome (512535535215).

The spelling of 312223213002 in words is "three hundred twelve billion, two hundred twenty-three million, two hundred thirteen thousand, two".