20012212002000 has 160 divisors (see below), whose sum is σ = 67324562023680. Its totient is φ = 5104564185600.

The previous prime is 20012212001989. The next prime is 20012212002071. The reversal of 20012212002000 is 20021221002.

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

It is a congruent number.

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, 72370015 + ... + 72646014.

It is an arithmetic number, because the mean of its divisors is an integer number (420778512648).

Almost surely, 2^{20012212002000} is an apocalyptic number.

20012212002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012212002000 is an abundant number, since it is smaller than the sum of its proper divisors (47312350021680).

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

20012212002000 is a wasteful number, since it uses less digits than its factorization.

20012212002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145016078 (or 145016062 counting only the distinct ones).

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

Adding to 20012212002000 its reverse (20021221002), we get a palindrome (20032233223002).

The spelling of 20012212002000 in words is "twenty trillion, twelve billion, two hundred twelve million, two thousand".