1275116693292 has 192 divisors, whose sum is σ = 3688739913600. Its totient is φ = 378215792640.

The previous prime is 1275116693203. The next prime is 1275116693293. The reversal of 1275116693292 is 2923966115721.

1275116693292 is a `hidden beast` number, since 1 + 2 + 7 + 511 + 6 + 6 + 9 + 32 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1275116693293) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26074528 + ... + 26123384.

It is an arithmetic number, because the mean of its divisors is an integer number (19212187050).

Almost surely, 2^{1275116693292} is an apocalyptic number.

1275116693292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1275116693292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1844369956800).

1275116693292 is an abundant number, since it is smaller than the sum of its proper divisors (2413623220308).

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

1275116693292 is a wasteful number, since it uses less digits than its factorization.

1275116693292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49553 (or 49545 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The spelling of 1275116693292 in words is "one trillion, two hundred seventy-five billion, one hundred sixteen million, six hundred ninety-three thousand, two hundred ninety-two".