312201222010022 has 4 divisors (see below), whose sum is σ = 468301833015036. Its totient is φ = 156100611005010.

The previous prime is 312201222010019. The next prime is 312201222010043. The reversal of 312201222010022 is 220010222102213.

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

It is a junction number, because it is equal to n+sod(n) for n = 312201222009976 and 312201222010003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78050305502504 + ... + 78050305502507.

It is an arithmetic number, because the mean of its divisors is an integer number (117075458253759).

Almost surely, 2^{312201222010022} is an apocalyptic number.

312201222010022 is a deficient number, since it is larger than the sum of its proper divisors (156100611005014).

312201222010022 is a wasteful number, since it uses less digits than its factorization.

312201222010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156100611005013.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 312201222010022 its reverse (220010222102213), we get a palindrome (532211444112235).

The spelling of 312201222010022 in words is "three hundred twelve trillion, two hundred one billion, two hundred twenty-two million, ten thousand, twenty-two".