1253453432120 has 64 divisors (see below), whose sum is σ = 2927493878400. Its totient is φ = 482669153280.

The previous prime is 1253453432117. The next prime is 1253453432159. The reversal of 1253453432120 is 212343543521.

It is a super-2 number, since 2×1253453432120² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5350325 + ... + 5579684.

It is an arithmetic number, because the mean of its divisors is an integer number (45742091850).

Almost surely, 2^{1253453432120} is an apocalyptic number.

1253453432120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253453432120 is an abundant number, since it is smaller than the sum of its proper divisors (1674040446280).

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

1253453432120 is a wasteful number, since it uses less digits than its factorization.

1253453432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10930128 (or 10930124 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 1253453432120 its reverse (212343543521), we get a palindrome (1465796975641).

The spelling of 1253453432120 in words is "one trillion, two hundred fifty-three billion, four hundred fifty-three million, four hundred thirty-two thousand, one hundred twenty".