10202021001012 has 24 divisors (see below), whose sum is σ = 23804767442176. Its totient is φ = 3400666270848.

The previous prime is 10202021000981. The next prime is 10202021001013. The reversal of 10202021001012 is 21010012020201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202021001013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9787068 + ... + 10779180.

Almost surely, 2^{10202021001012} is an apocalyptic number.

10202021001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10202021001012 is an abundant number, since it is smaller than the sum of its proper divisors (13602746441164).

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

10202021001012 is a wasteful number, since it uses less digits than its factorization.

10202021001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849047 (or 1849045 counting only the distinct ones).

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

Adding to 10202021001012 its reverse (21010012020201), we get a palindrome (31212033021213).

The spelling of 10202021001012 in words is "ten trillion, two hundred two billion, twenty-one million, one thousand, twelve".