1020122120112 has 40 divisors (see below), whose sum is σ = 2790334036656. Its totient is φ = 320038311936.

The previous prime is 1020122120093. The next prime is 1020122120113. The reversal of 1020122120112 is 2110212210201.

It is a junction number, because it is equal to n+sod(n) for n = 1020122120091 and 1020122120100.

It is not an unprimeable number, because it can be changed into a prime (1020122120113) 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, 625074013 + ... + 625075644.

Almost surely, 2^{1020122120112} is an apocalyptic number.

1020122120112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020122120112 is an abundant number, since it is smaller than the sum of its proper divisors (1770211916544).

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

1020122120112 is a wasteful number, since it uses less digits than its factorization.

1020122120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250149685 (or 1250149679 counting only the distinct ones).

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

Adding to 1020122120112 its reverse (2110212210201), we get a palindrome (3130334330313).

The spelling of 1020122120112 in words is "one trillion, twenty billion, one hundred twenty-two million, one hundred twenty thousand, one hundred twelve".