1210122101112 has 32 divisors (see below), whose sum is σ = 3025334544000. Its totient is φ = 403370128224.

The previous prime is 1210122101107. The next prime is 1210122101143. The reversal of 1210122101112 is 2111012210121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1210122101091 and 1210122101100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3391389 + ... + 3731187.

It is an arithmetic number, because the mean of its divisors is an integer number (94541704500).

Almost surely, 2^{1210122101112} is an apocalyptic number.

1210122101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210122101112 is an abundant number, since it is smaller than the sum of its proper divisors (1815212442888).

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

1210122101112 is a wasteful number, since it uses less digits than its factorization.

1210122101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488195 (or 488191 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1210122101112 its reverse (2111012210121), we get a palindrome (3321134311233).

The spelling of 1210122101112 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, one hundred one thousand, one hundred twelve".