121973700277 has 16 divisors (see below), whose sum is σ = 145646928000. Its totient is φ = 100677585600.

The previous prime is 121973700271. The next prime is 121973700287. The reversal of 121973700277 is 772007379121.

It is a cyclic number.

It is not a de Polignac number, because 121973700277 - 2¹¹ = 121973698229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121973700271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6982777 + ... + 7000222.

It is an arithmetic number, because the mean of its divisors is an integer number (9102933000).

Almost surely, 2^121973700277 is an apocalyptic number.

It is an amenable number.

121973700277 is a deficient number, since it is larger than the sum of its proper divisors (23673227723).

121973700277 is a wasteful number, since it uses less digits than its factorization.

121973700277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13983084.

The product of its (nonzero) digits is 259308, while the sum is 46.

The spelling of 121973700277 in words is "one hundred twenty-one billion, nine hundred seventy-three million, seven hundred thousand, two hundred seventy-seven".