20012022120000 has 140 divisors (see below), whose sum is σ = 66164414997296. Its totient is φ = 5336539200000.

The previous prime is 20012022119959. The next prime is 20012022120001. The reversal of 20012022120000 is 2122021002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20012022120001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 83263426 + ... + 83503425.

Almost surely, 2^{20012022120000} is an apocalyptic number.

20012022120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012022120000 is an abundant number, since it is smaller than the sum of its proper divisors (46152392877296).

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

20012022120000 is an equidigital number, since it uses as much as digits as its factorization.

20012022120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166766886 (or 166766861 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20012022120000 its reverse (2122021002), we get a palindrome (20014144141002).

The spelling of 20012022120000 in words is "twenty trillion, twelve billion, twenty-two million, one hundred twenty thousand".