121273946188 has 6 divisors (see below), whose sum is σ = 212229405836. Its totient is φ = 60636973092.

The previous prime is 121273946173. The next prime is 121273946203. The reversal of 121273946188 is 881649372121.

It is an interprime number because it is at equal distance from previous prime (121273946173) and next prime (121273946203).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15159243270 + ... + 15159243277.

Almost surely, 2^121273946188 is an apocalyptic number.

It is an amenable number.

121273946188 is a deficient number, since it is larger than the sum of its proper divisors (90955459648).

121273946188 is a wasteful number, since it uses less digits than its factorization.

121273946188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30318486551 (or 30318486549 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The spelling of 121273946188 in words is "one hundred twenty-one billion, two hundred seventy-three million, nine hundred forty-six thousand, one hundred eighty-eight".