120269831381 has 4 divisors (see below), whose sum is σ = 137451235872. Its totient is φ = 103088426892.

The previous prime is 120269831359. The next prime is 120269831417. The reversal of 120269831381 is 183138962021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120269831381 - 2²⁶ = 120202722517 is a prime.

It is a super-4 number, since 4×120269831381⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120269831351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8590702235 + ... + 8590702248.

It is an arithmetic number, because the mean of its divisors is an integer number (34362808968).

Almost surely, 2^120269831381 is an apocalyptic number.

It is an amenable number.

120269831381 is a deficient number, since it is larger than the sum of its proper divisors (17181404491).

120269831381 is an equidigital number, since it uses as much as digits as its factorization.

120269831381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17181404490.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 120269831381 in words is "one hundred twenty billion, two hundred sixty-nine million, eight hundred thirty-one thousand, three hundred eighty-one".