379012120212221 has 4 divisors (see below), whose sum is σ = 398960126539200. Its totient is φ = 359064113885244.

The previous prime is 379012120212211. The next prime is 379012120212233. The reversal of 379012120212221 is 122212021210973.

It is a happy number.

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 379012120212221 - 2⁶ = 379012120212157 is a prime.

It is a super-3 number, since 3×379012120212221³ (a number of 45 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379012120212211) 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, 9974003163461 + ... + 9974003163498.

It is an arithmetic number, because the mean of its divisors is an integer number (99740031634800).

Almost surely, 2^{379012120212221} is an apocalyptic number.

It is an amenable number.

379012120212221 is a deficient number, since it is larger than the sum of its proper divisors (19948006326979).

379012120212221 is a wasteful number, since it uses less digits than its factorization.

379012120212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19948006326978.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 379012120212221 in words is "three hundred seventy-nine trillion, twelve billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-one".