12110010021090 has 128 divisors (see below), whose sum is σ = 33753498508800. Its totient is φ = 3083789491200.

The previous prime is 12110010021073. The next prime is 12110010021091. The reversal of 12110010021090 is 9012001001121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12110010021091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2109846 + ... + 5354574.

It is an arithmetic number, because the mean of its divisors is an integer number (263699207100).

Almost surely, 2^{12110010021090} is an apocalyptic number.

12110010021090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12110010021090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16876749254400).

12110010021090 is an abundant number, since it is smaller than the sum of its proper divisors (21643488487710).

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

12110010021090 is a wasteful number, since it uses less digits than its factorization.

12110010021090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245369 (or 3245363 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 12110010021090 in words is "twelve trillion, one hundred ten billion, ten million, twenty-one thousand, ninety".