2120132605402 has 16 divisors (see below), whose sum is σ = 3637160203392. Its totient is φ = 907966468080.

The previous prime is 2120132605397. The next prime is 2120132605403. The reversal of 2120132605402 is 2045062310212.

It is not an unprimeable number, because it can be changed into a prime (2120132605403) 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, 55129374 + ... + 55167817.

It is an arithmetic number, because the mean of its divisors is an integer number (227322512712).

Almost surely, 2^{2120132605402} is an apocalyptic number.

2120132605402 is a deficient number, since it is larger than the sum of its proper divisors (1517027597990).

2120132605402 is a wasteful number, since it uses less digits than its factorization.

2120132605402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110298573.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 2120132605402 its reverse (2045062310212), we get a palindrome (4165194915614).

The spelling of 2120132605402 in words is "two trillion, one hundred twenty billion, one hundred thirty-two million, six hundred five thousand, four hundred two".