2135450212500 has 144 divisors (see below), whose sum is σ = 6794180769600. Its totient is φ = 517684800000.

The previous prime is 2135450212463. The next prime is 2135450212517. The reversal of 2135450212500 is 52120545312.

It is a super-2 number, since 2×2135450212500² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2175925 + ... + 3000924.

It is an arithmetic number, because the mean of its divisors is an integer number (47181810900).

Almost surely, 2^{2135450212500} is an apocalyptic number.

2135450212500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135450212500 is an abundant number, since it is smaller than the sum of its proper divisors (4658730557100).

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

2135450212500 is a wasteful number, since it uses less digits than its factorization.

2135450212500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176892 (or 5176870 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 2135450212500 its reverse (52120545312), we get a palindrome (2187570757812).

The spelling of 2135450212500 in words is "two trillion, one hundred thirty-five billion, four hundred fifty million, two hundred twelve thousand, five hundred".