212051233516 has 12 divisors (see below), whose sum is σ = 371171844288. Its totient is φ = 106002135152.

The previous prime is 212051233489. The next prime is 212051233547. The reversal of 212051233516 is 615332150212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5850076 + ... + 5886211.

It is an arithmetic number, because the mean of its divisors is an integer number (30930987024).

Almost surely, 2^212051233516 is an apocalyptic number.

It is an amenable number.

212051233516 is a deficient number, since it is larger than the sum of its proper divisors (159120610772).

212051233516 is a wasteful number, since it uses less digits than its factorization.

212051233516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11740808 (or 11740806 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 212051233516 its reverse (615332150212), we get a palindrome (827383383728).

The spelling of 212051233516 in words is "two hundred twelve billion, fifty-one million, two hundred thirty-three thousand, five hundred sixteen".