121700133747 has 20 divisors (see below), whose sum is σ = 181827800616. Its totient is φ = 81120553920.

The previous prime is 121700133727. The next prime is 121700133811. The reversal of 121700133747 is 747331007121.

It is a happy number.

It is not a de Polignac number, because 121700133747 - 2⁶ = 121700133683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121700133707) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 409048 + ... + 640874.

Almost surely, 2^121700133747 is an apocalyptic number.

121700133747 is a deficient number, since it is larger than the sum of its proper divisors (60127666869).

121700133747 is an equidigital number, since it uses as much as digits as its factorization.

121700133747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238320 (or 238311 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The spelling of 121700133747 in words is "one hundred twenty-one billion, seven hundred million, one hundred thirty-three thousand, seven hundred forty-seven".