1275232734120 has 64 divisors (see below), whose sum is σ = 3842853880320. Its totient is φ = 338537113344.

The previous prime is 1275232734107. The next prime is 1275232734121. The reversal of 1275232734120 is 214372325721.

It is a super-2 number, since 2×1275232734120² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1275232734121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23800459 + ... + 23853978.

It is an arithmetic number, because the mean of its divisors is an integer number (60044591880).

Almost surely, 2^{1275232734120} is an apocalyptic number.

1275232734120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1275232734120 is an abundant number, since it is smaller than the sum of its proper divisors (2567621146200).

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

1275232734120 is a wasteful number, since it uses less digits than its factorization.

1275232734120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47654674 (or 47654670 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 1275232734120 in words is "one trillion, two hundred seventy-five billion, two hundred thirty-two million, seven hundred thirty-four thousand, one hundred twenty".