1021100202012 has 48 divisors (see below), whose sum is σ = 2600344720512. Its totient is φ = 309283759680.

The previous prime is 1021100202007. The next prime is 1021100202029. The reversal of 1021100202012 is 2102020011201.

1021100202012 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

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, 1464903 + ... + 2046494.

It is an arithmetic number, because the mean of its divisors is an integer number (54173848344).

Almost surely, 2^{1021100202012} is an apocalyptic number.

1021100202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021100202012 is an abundant number, since it is smaller than the sum of its proper divisors (1579244518500).

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

1021100202012 is a wasteful number, since it uses less digits than its factorization.

1021100202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513618 (or 3513616 counting only the distinct ones).

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

Adding to 1021100202012 its reverse (2102020011201), we get a palindrome (3123120213213).

The spelling of 1021100202012 in words is "one trillion, twenty-one billion, one hundred million, two hundred two thousand, twelve".