312203022242002 has 4 divisors (see below), whose sum is σ = 468304533363006. Its totient is φ = 156101511121000.

The previous prime is 312203022241991. The next prime is 312203022242047. The reversal of 312203022242002 is 200242220302213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 205713645683841 + 106489376558161 = 14342721^2 + 10319369^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78050755560499 + ... + 78050755560502.

Almost surely, 2^{312203022242002} is an apocalyptic number.

312203022242002 is a deficient number, since it is larger than the sum of its proper divisors (156101511121004).

312203022242002 is a wasteful number, since it uses less digits than its factorization.

312203022242002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156101511121003.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 312203022242002 its reverse (200242220302213), we get a palindrome (512445242544215).

The spelling of 312203022242002 in words is "three hundred twelve trillion, two hundred three billion, twenty-two million, two hundred forty-two thousand, two".