1212101122212 has 24 divisors (see below), whose sum is σ = 3142484391200. Its totient is φ = 404033707368.

The previous prime is 1212101122207. The next prime is 1212101122241. The reversal of 1212101122212 is 2122211012121.

1212101122212 is a `hidden beast` number, since 121 + 210 + 1 + 122 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5611579162 + ... + 5611579377.

Almost surely, 2^{1212101122212} is an apocalyptic number.

1212101122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212101122212 is an abundant number, since it is smaller than the sum of its proper divisors (1930383268988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212101122212 is a wasteful number, since it uses less digits than its factorization.

1212101122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11223158552 (or 11223158544 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1212101122212 its reverse (2122211012121), we get a palindrome (3334312134333).

The spelling of 1212101122212 in words is "one trillion, two hundred twelve billion, one hundred one million, one hundred twenty-two thousand, two hundred twelve".