100012222122000 has 160 divisors (see below), whose sum is σ = 322609056591744. Its totient is φ = 26655893440000.

The previous prime is 100012222121989. The next prime is 100012222122047. The reversal of 100012222122000 is 221222210001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7021807 + ... + 15790193.

Almost surely, 2^{100012222122000} is an apocalyptic number.

100012222122000 is a gapful number since it is divisible by the number (10) 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 100012222122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161304528295872).

100012222122000 is an abundant number, since it is smaller than the sum of its proper divisors (222596834469744).

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

100012222122000 is a wasteful number, since it uses less digits than its factorization.

100012222122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8770314 (or 8770298 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100012222122000 its reverse (221222210001), we get a palindrome (100233444332001).

The spelling of 100012222122000 in words is "one hundred trillion, twelve billion, two hundred twenty-two million, one hundred twenty-two thousand".