12110420212040 has 32 divisors (see below), whose sum is σ = 27274671216000. Its totient is φ = 4839505731264.

The previous prime is 12110420212039. The next prime is 12110420212049. The reversal of 12110420212040 is 4021202401121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12110420212049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145656470 + ... + 145739589.

It is an arithmetic number, because the mean of its divisors is an integer number (852333475500).

Almost surely, 2^{12110420212040} is an apocalyptic number.

12110420212040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110420212040 is an abundant number, since it is smaller than the sum of its proper divisors (15164251003960).

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

12110420212040 is a wasteful number, since it uses less digits than its factorization.

12110420212040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291397109 (or 291397105 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12110420212040 its reverse (4021202401121), we get a palindrome (16131622613161).

The spelling of 12110420212040 in words is "twelve trillion, one hundred ten billion, four hundred twenty million, two hundred twelve thousand, forty".