1210122020112 has 40 divisors (see below), whose sum is σ = 3140167183104. Its totient is φ = 401565151104.

The previous prime is 1210122020101. The next prime is 1210122020113. The reversal of 1210122020112 is 2110202210121.

It is a super-3 number, since 3×1210122020112³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210122020091 and 1210122020100.

It is not an unprimeable number, because it can be changed into a prime (1210122020113) 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, 56515923 + ... + 56537330.

Almost surely, 2^{1210122020112} is an apocalyptic number.

1210122020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210122020112 is an abundant number, since it is smaller than the sum of its proper divisors (1930045162992).

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

1210122020112 is a wasteful number, since it uses less digits than its factorization.

1210122020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113053487 (or 113053481 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1210122020112 its reverse (2110202210121), we get a palindrome (3320324230233).

The spelling of 1210122020112 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, twenty thousand, one hundred twelve".