10122010012020 has 48 divisors (see below), whose sum is σ = 28392510763008. Its totient is φ = 2694356695680.

The previous prime is 10122010012001. The next prime is 10122010012039. The reversal of 10122010012020 is 2021001022101.

It is an interprime number because it is at equal distance from previous prime (10122010012001) and next prime (10122010012039).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10122010011987 and 10122010012005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151402996 + ... + 151469835.

It is an arithmetic number, because the mean of its divisors is an integer number (591510640896).

Almost surely, 2^{10122010012020} is an apocalyptic number.

10122010012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10122010012020 is an abundant number, since it is smaller than the sum of its proper divisors (18270500750988).

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

10122010012020 is a wasteful number, since it uses less digits than its factorization.

10122010012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302873400 (or 302873398 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10122010012020 its reverse (2021001022101), we get a palindrome (12143011034121).

The spelling of 10122010012020 in words is "ten trillion, one hundred twenty-two billion, ten million, twelve thousand, twenty".