1250320031421 has 8 divisors (see below), whose sum is σ = 1667284218624. Its totient is φ = 833451265920.

The previous prime is 1250320031413. The next prime is 1250320031423. The reversal of 1250320031421 is 1241300230521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1250320031421 - 2³ = 1250320031413 is a prime.

It is a super-2 number, since 2×1250320031421² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1250320031391 and 1250320031400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250320031423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23824845 + ... + 23877266.

It is an arithmetic number, because the mean of its divisors is an integer number (208410527328).

Almost surely, 2^{1250320031421} is an apocalyptic number.

It is an amenable number.

1250320031421 is a deficient number, since it is larger than the sum of its proper divisors (416964187203).

1250320031421 is an equidigital number, since it uses as much as digits as its factorization.

1250320031421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47710851.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1250320031421 its reverse (1241300230521), we get a palindrome (2491620261942).

The spelling of 1250320031421 in words is "one trillion, two hundred fifty billion, three hundred twenty million, thirty-one thousand, four hundred twenty-one".