1021020010212 has 24 divisors (see below), whose sum is σ = 2405967947712. Its totient is φ = 336970300000.

The previous prime is 1021020010201. The next prime is 1021020010247. The reversal of 1021020010212 is 2120100201201.

It is a super-2 number, since 2×1021020010212² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421211664 + ... + 421214087.

It is an arithmetic number, because the mean of its divisors is an integer number (100248664488).

Almost surely, 2^{1021020010212} is an apocalyptic number.

1021020010212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021020010212 is an abundant number, since it is smaller than the sum of its proper divisors (1384947937500).

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

1021020010212 is a wasteful number, since it uses less digits than its factorization.

1021020010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842425859 (or 842425857 counting only the distinct ones).

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

Adding to 1021020010212 its reverse (2120100201201), we get a palindrome (3141120211413).

The spelling of 1021020010212 in words is "one trillion, twenty-one billion, twenty million, ten thousand, two hundred twelve".