312212123301 has 16 divisors (see below), whose sum is σ = 453705852096. Its totient is φ = 189815709696.

The previous prime is 312212123299. The next prime is 312212123309. The reversal of 312212123301 is 103321212213.

It is not a de Polignac number, because 312212123301 - 2¹ = 312212123299 is a prime.

It is a super-2 number, since 2×312212123301² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312212123309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48222300 + ... + 48228773.

It is an arithmetic number, because the mean of its divisors is an integer number (28356615756).

Almost surely, 2^312212123301 is an apocalyptic number.

It is an amenable number.

312212123301 is a deficient number, since it is larger than the sum of its proper divisors (141493728795).

312212123301 is a wasteful number, since it uses less digits than its factorization.

312212123301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96451172.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312212123301 its reverse (103321212213), we get a palindrome (415533335514).

The spelling of 312212123301 in words is "three hundred twelve billion, two hundred twelve million, one hundred twenty-three thousand, three hundred one".