2130401312220 has 24 divisors (see below), whose sum is σ = 5965123674384. Its totient is φ = 568107016576.

The previous prime is 2130401312197. The next prime is 2130401312227. The reversal of 2130401312220 is 222131040312.

It is a super-2 number, since 2×2130401312220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130401312227) 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, 17753344209 + ... + 17753344328.

It is an arithmetic number, because the mean of its divisors is an integer number (248546819766).

Almost surely, 2^{2130401312220} is an apocalyptic number.

2130401312220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130401312220 is an abundant number, since it is smaller than the sum of its proper divisors (3834722362164).

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

2130401312220 is a wasteful number, since it uses less digits than its factorization.

2130401312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35506688549 (or 35506688547 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2130401312220 its reverse (222131040312), we get a palindrome (2352532352532).

The spelling of 2130401312220 in words is "two trillion, one hundred thirty billion, four hundred one million, three hundred twelve thousand, two hundred twenty".