3120419378987 has 4 divisors (see below), whose sum is σ = 3120876322320. Its totient is φ = 3119962435656.

The previous prime is 3120419378983. The next prime is 3120419379067. The reversal of 3120419378987 is 7898739140213.

3120419378987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3120419378987 - 2² = 3120419378983 is a prime.

It is a super-2 number, since 2×3120419378987² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120419378983) 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, 228461423 + ... + 228475080.

It is an arithmetic number, because the mean of its divisors is an integer number (780219080580).

Almost surely, 2^{3120419378987} is an apocalyptic number.

3120419378987 is a deficient number, since it is larger than the sum of its proper divisors (456943333).

3120419378987 is an equidigital number, since it uses as much as digits as its factorization.

3120419378987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456943332.

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 3120419378987 in words is "three trillion, one hundred twenty billion, four hundred nineteen million, three hundred seventy-eight thousand, nine hundred eighty-seven".