121273000381 has 8 divisors (see below), whose sum is σ = 136280027520. Its totient is φ = 107077163952.

The previous prime is 121273000379. The next prime is 121273000399. The reversal of 121273000381 is 183000372121.

It is the 142170-th star number.

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

It is a cyclic number.

It is not a de Polignac number, because 121273000381 - 2¹ = 121273000379 is a prime.

It is a super-2 number, since 2×121273000381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121273000361) 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, 202797361 + ... + 202797958.

It is an arithmetic number, because the mean of its divisors is an integer number (17035003440).

Almost surely, 2^121273000381 is an apocalyptic number.

It is an amenable number.

121273000381 is a deficient number, since it is larger than the sum of its proper divisors (15007027139).

121273000381 is a wasteful number, since it uses less digits than its factorization.

121273000381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405595355.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 121273000381 in words is "one hundred twenty-one billion, two hundred seventy-three million, three hundred eighty-one", and thus it is an aban number.