100020021000212 has 12 divisors (see below), whose sum is σ = 178759186468800. Its totient is φ = 48945967723416.

The previous prime is 100020021000197. The next prime is 100020021000233. The reversal of 100020021000212 is 212000120020001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100020021000193 and 100020021000202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266010693962 + ... + 266010694337.

It is an arithmetic number, because the mean of its divisors is an integer number (14896598872400).

Almost surely, 2^{100020021000212} is an apocalyptic number.

It is an amenable number.

100020021000212 is a deficient number, since it is larger than the sum of its proper divisors (78739165468588).

100020021000212 is a wasteful number, since it uses less digits than its factorization.

100020021000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532021388350 (or 532021388348 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100020021000212 its reverse (212000120020001), we get a palindrome (312020141020213).

The spelling of 100020021000212 in words is "one hundred trillion, twenty billion, twenty-one million, two hundred twelve", and thus it is an aban number.