20120034233112 has 64 divisors (see below), whose sum is σ = 54977740364160. Its totient is φ = 6085322323200.

The previous prime is 20120034233063. The next prime is 20120034233183. The reversal of 20120034233112 is 21133243002102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72722589 + ... + 72998732.

It is an arithmetic number, because the mean of its divisors is an integer number (859027193190).

Almost surely, 2^{20120034233112} is an apocalyptic number.

20120034233112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20120034233112 is an abundant number, since it is smaller than the sum of its proper divisors (34857706131048).

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

20120034233112 is a wasteful number, since it uses less digits than its factorization.

20120034233112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145721864 (or 145721860 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20120034233112 its reverse (21133243002102), we get a palindrome (41253277235214).

The spelling of 20120034233112 in words is "twenty trillion, one hundred twenty billion, thirty-four million, two hundred thirty-three thousand, one hundred twelve".