101212122212 has 48 divisors (see below), whose sum is σ = 182645971200. Its totient is φ = 49046527488.

The previous prime is 101212122149. The next prime is 101212122251. The reversal of 101212122212 is 212221212101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39799013 + ... + 39801555.

It is an arithmetic number, because the mean of its divisors is an integer number (3805124400).

Almost surely, 2^101212122212 is an apocalyptic number.

It is an amenable number.

101212122212 is a deficient number, since it is larger than the sum of its proper divisors (81433848988).

101212122212 is a wasteful number, since it uses less digits than its factorization.

101212122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292 (or 4290 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101212122212 its reverse (212221212101), we get a palindrome (313433334313).

The spelling of 101212122212 in words is "one hundred one billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twelve".