20001002210112 has 448 divisors, whose sum is σ = 72469404057600. Its totient is φ = 4707655096320.

The previous prime is 20001002210087. The next prime is 20001002210177. The reversal of 20001002210112 is 21101220010002.

It is a tau number, because it is divible by the number of its divisors (448).

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 63 ways as a sum of consecutive naturals, for example, 4912689 + ... + 8008527.

Almost surely, 2^{20001002210112} is an apocalyptic number.

20001002210112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20001002210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36234702028800).

20001002210112 is an abundant number, since it is smaller than the sum of its proper divisors (52468401847488).

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

20001002210112 is a wasteful number, since it uses less digits than its factorization.

20001002210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095914 (or 3095904 counting only the distinct ones).

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

Adding to 20001002210112 its reverse (21101220010002), we get a palindrome (41102222220114).

The spelling of 20001002210112 in words is "twenty trillion, one billion, two million, two hundred ten thousand, one hundred twelve".