10001022021012 has 48 divisors (see below), whose sum is σ = 25604298159552. Its totient is φ = 3013094734080.

The previous prime is 10001022020959. The next prime is 10001022021031. The reversal of 10001022021012 is 21012022010001.

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, 218952073 + ... + 218997744.

It is an arithmetic number, because the mean of its divisors is an integer number (533422878324).

Almost surely, 2^{10001022021012} is an apocalyptic number.

10001022021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10001022021012 is an abundant number, since it is smaller than the sum of its proper divisors (15603276138540).

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

10001022021012 is a wasteful number, since it uses less digits than its factorization.

10001022021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437950008 (or 437950006 counting only the distinct ones).

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

Adding to 10001022021012 its reverse (21012022010001), we get a palindrome (31013044031013).

The spelling of 10001022021012 in words is "ten trillion, one billion, twenty-two million, twenty-one thousand, twelve".