121968473493 has 8 divisors (see below), whose sum is σ = 162653129856. Its totient is φ = 81298066400.

The previous prime is 121968473483. The next prime is 121968473531. The reversal of 121968473493 is 394374869121.

It is a happy 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 121968473493 - 2⁴ = 121968473477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121968473413) 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, 3542328 + ... + 3576593.

It is an arithmetic number, because the mean of its divisors is an integer number (20331641232).

Almost surely, 2^121968473493 is an apocalyptic number.

It is an amenable number.

121968473493 is a deficient number, since it is larger than the sum of its proper divisors (40684656363).

121968473493 is an equidigital number, since it uses as much as digits as its factorization.

121968473493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7124635.

The product of its digits is 7838208, while the sum is 57.

The spelling of 121968473493 in words is "one hundred twenty-one billion, nine hundred sixty-eight million, four hundred seventy-three thousand, four hundred ninety-three".