312020213102 has 16 divisors (see below), whose sum is σ = 511555530192. Its totient is φ = 141859935360.

The previous prime is 312020213069. The next prime is 312020213107. The reversal of 312020213102 is 201312020213.

It is a super-2 number, since 2×312020213102² (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 (312020213107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89556299 + ... + 89559782.

It is an arithmetic number, because the mean of its divisors is an integer number (31972220637).

Almost surely, 2^312020213102 is an apocalyptic number.

312020213102 is a deficient number, since it is larger than the sum of its proper divisors (199535317090).

312020213102 is a wasteful number, since it uses less digits than its factorization.

312020213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179116163.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 312020213102 its reverse (201312020213), we get a palindrome (513332233315).

The spelling of 312020213102 in words is "three hundred twelve billion, twenty million, two hundred thirteen thousand, one hundred two".