2122143453525 has 48 divisors (see below), whose sum is σ = 3677287924224. Its totient is φ = 1077831353280.

The previous prime is 2122143453517. The next prime is 2122143453557. The reversal of 2122143453525 is 5253543412212.

It is not a de Polignac number, because 2122143453525 - 2³ = 2122143453517 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2318179 + ... + 3101328.

It is an arithmetic number, because the mean of its divisors is an integer number (76610165088).

Almost surely, 2^{2122143453525} is an apocalyptic number.

2122143453525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2122143453525 is a deficient number, since it is larger than the sum of its proper divisors (1555144470699).

2122143453525 is a wasteful number, since it uses less digits than its factorization.

2122143453525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419770 (or 5419765 counting only the distinct ones).

The product of its digits is 288000, while the sum is 39.

Adding to 2122143453525 its reverse (5253543412212), we get a palindrome (7375686865737).

The spelling of 2122143453525 in words is "two trillion, one hundred twenty-two billion, one hundred forty-three million, four hundred fifty-three thousand, five hundred twenty-five".