10122012201020 has 24 divisors (see below), whose sum is σ = 21266701915200. Its totient is φ = 4046809396032.

The previous prime is 10122012200933. The next prime is 10122012201061. The reversal of 10122012201020 is 2010221022101.

It is a junction number, because it is equal to n+sod(n) for n = 10122012200986 and 10122012201004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124676180 + ... + 124757339.

It is an arithmetic number, because the mean of its divisors is an integer number (886112579800).

Almost surely, 2^{10122012201020} is an apocalyptic number.

10122012201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10122012201020 is an abundant number, since it is smaller than the sum of its proper divisors (11144689714180).

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

10122012201020 is a wasteful number, since it uses less digits than its factorization.

10122012201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249435557 (or 249435555 counting only the distinct ones).

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

Adding to 10122012201020 its reverse (2010221022101), we get a palindrome (12132233223121).

The spelling of 10122012201020 in words is "ten trillion, one hundred twenty-two billion, twelve million, two hundred one thousand, twenty".