1298750423052 has 12 divisors (see below), whose sum is σ = 3030417653816. Its totient is φ = 432916807680.

The previous prime is 1298750423051. The next prime is 1298750423093. The reversal of 1298750423052 is 2503240578921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1298750423052² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1298750422992 and 1298750423010.

It is not an unprimeable number, because it can be changed into a prime (1298750423051) 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 3 ways as a sum of consecutive naturals, for example, 54114600949 + ... + 54114600972.

Almost surely, 2^{1298750423052} is an apocalyptic number.

1298750423052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1298750423052 is an abundant number, since it is smaller than the sum of its proper divisors (1731667230764).

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

1298750423052 is a wasteful number, since it uses less digits than its factorization.

1298750423052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108229201928 (or 108229201926 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 1298750423052 in words is "one trillion, two hundred ninety-eight billion, seven hundred fifty million, four hundred twenty-three thousand, fifty-two".