312000122011012 has 24 divisors (see below), whose sum is σ = 551345988112920. Its totient is φ = 154474445399040.

The previous prime is 312000122010989. The next prime is 312000122011037. The reversal of 312000122011012 is 210110221000213.

It can be written as a sum of positive squares in 4 ways, for example, as 4622646201156 + 307377475809856 = 2150034^2 + 17532184^2 .

It is a super-2 number, since 2×312000122011012² (a number of 30 digits) contains 22 as substring.

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, 217855789 + ... + 219283252.

It is an arithmetic number, because the mean of its divisors is an integer number (22972749504705).

Almost surely, 2^{312000122011012} is an apocalyptic number.

It is an amenable number.

312000122011012 is a deficient number, since it is larger than the sum of its proper divisors (239345866101908).

312000122011012 is a wasteful number, since it uses less digits than its factorization.

312000122011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437140791 (or 437140789 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 312000122011012 its reverse (210110221000213), we get a palindrome (522110343011225).

The spelling of 312000122011012 in words is "three hundred twelve trillion, one hundred twenty-two million, eleven thousand, twelve".