20130351212000 has 96 divisors (see below), whose sum is σ = 49461668474400. Its totient is φ = 8051913292800.

The previous prime is 20130351211981. The next prime is 20130351212003. The reversal of 20130351212000 is 21215303102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130351212003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272551076 + ... + 272624924.

It is an arithmetic number, because the mean of its divisors is an integer number (515225713275).

Almost surely, 2^{20130351212000} is an apocalyptic number.

20130351212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130351212000 is an abundant number, since it is smaller than the sum of its proper divisors (29331317262400).

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

20130351212000 is an equidigital number, since it uses as much as digits as its factorization.

20130351212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142021 (or 142003 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 20130351212000 its reverse (21215303102), we get a palindrome (20151566515102).

The spelling of 20130351212000 in words is "twenty trillion, one hundred thirty billion, three hundred fifty-one million, two hundred twelve thousand".