10200021001212 has 48 divisors (see below), whose sum is σ = 27935192660480. Its totient is φ = 2835527072832.

The previous prime is 10200021001211. The next prime is 10200021001217. The reversal of 10200021001212 is 21210012000201.

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 (10200021001211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1640926912 + ... + 1640933127.

Almost surely, 2^{10200021001212} is an apocalyptic number.

10200021001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10200021001212 is an abundant number, since it is smaller than the sum of its proper divisors (17735171659268).

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

10200021001212 is a wasteful number, since it uses less digits than its factorization.

10200021001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281860090 (or 3281860088 counting only the distinct ones).

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

Adding to 10200021001212 its reverse (21210012000201), we get a palindrome (31410033001413).

The spelling of 10200021001212 in words is "ten trillion, two hundred billion, twenty-one million, one thousand, two hundred twelve".