121694771402 has 8 divisors (see below), whose sum is σ = 183635224416. Its totient is φ = 60483029932.

The previous prime is 121694771389. The next prime is 121694771431. The reversal of 121694771402 is 204177496121.

121694771402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182177468 + ... + 182178135.

It is an arithmetic number, because the mean of its divisors is an integer number (22954403052).

Almost surely, 2^121694771402 is an apocalyptic number.

121694771402 is a deficient number, since it is larger than the sum of its proper divisors (61940453014).

121694771402 is a wasteful number, since it uses less digits than its factorization.

121694771402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364355772.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 121694771402 in words is "one hundred twenty-one billion, six hundred ninety-four million, seven hundred seventy-one thousand, four hundred two".