1012102122020 has 24 divisors (see below), whose sum is σ = 2318633952768. Its totient is φ = 368037135200.

The previous prime is 1012102121839. The next prime is 1012102122023. The reversal of 1012102122020 is 202212012101.

It is a junction number, because it is equal to n+sod(n) for n = 1012102121986 and 1012102122004.

It is not an unprimeable number, because it can be changed into a prime (1012102122023) 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, 2300231876 + ... + 2300232315.

It is an arithmetic number, because the mean of its divisors is an integer number (96609748032).

Almost surely, 2^{1012102122020} is an apocalyptic number.

1012102122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012102122020 is an abundant number, since it is smaller than the sum of its proper divisors (1306531830748).

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

1012102122020 is a wasteful number, since it uses less digits than its factorization.

1012102122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600464211 (or 4600464209 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1012102122020 its reverse (202212012101), we get a palindrome (1214314134121).

The spelling of 1012102122020 in words is "one trillion, twelve billion, one hundred two million, one hundred twenty-two thousand, twenty".