312201121310 has 16 divisors (see below), whose sum is σ = 605189866176. Its totient is φ = 115274260128.

The previous prime is 312201121277. The next prime is 312201121321. The reversal of 312201121310 is 13121102213.

It is a super-2 number, since 2×312201121310² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 1200773414 + ... + 1200773673.

It is an arithmetic number, because the mean of its divisors is an integer number (37824366636).

Almost surely, 2^312201121310 is an apocalyptic number.

312201121310 is a deficient number, since it is larger than the sum of its proper divisors (292988744866).

312201121310 is a wasteful number, since it uses less digits than its factorization.

312201121310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401547107.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 312201121310 its reverse (13121102213), we get a palindrome (325322223523).

The spelling of 312201121310 in words is "three hundred twelve billion, two hundred one million, one hundred twenty-one thousand, three hundred ten".