1293142256832 has 56 divisors (see below), whose sum is σ = 3570197112576. Its totient is φ = 412306225408.

The previous prime is 1293142256807. The next prime is 1293142256837. The reversal of 1293142256832 is 2386522413921.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1293142256837) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 146411148 + ... + 146419979.

Almost surely, 2^{1293142256832} is an apocalyptic number.

1293142256832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1293142256832 is an abundant number, since it is smaller than the sum of its proper divisors (2277054855744).

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

1293142256832 is a wasteful number, since it uses less digits than its factorization.

1293142256832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292831165 (or 292831155 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The spelling of 1293142256832 in words is "one trillion, two hundred ninety-three billion, one hundred forty-two million, two hundred fifty-six thousand, eight hundred thirty-two".