1210212122212 has 24 divisors (see below), whose sum is σ = 2154205660320. Its totient is φ = 594728965440.

The previous prime is 1210212122191. The next prime is 1210212122213. The reversal of 1210212122212 is 2122212120121.

It is a super-2 number, since 2×1210212122212² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1210212122212.

It is not an unprimeable number, because it can be changed into a prime (1210212122213) 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, 645787 + ... + 1684477.

It is an arithmetic number, because the mean of its divisors is an integer number (89758569180).

Almost surely, 2^{1210212122212} is an apocalyptic number.

It is an amenable number.

1210212122212 is a deficient number, since it is larger than the sum of its proper divisors (943993538108).

1210212122212 is a wasteful number, since it uses less digits than its factorization.

1210212122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043691 (or 1043689 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1210212122212 its reverse (2122212120121), we get a palindrome (3332424242333).

The spelling of 1210212122212 in words is "one trillion, two hundred ten billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twelve".