121492049702 has 4 divisors (see below), whose sum is σ = 182238074556. Its totient is φ = 60746024850.

The previous prime is 121492049699. The next prime is 121492049741. The reversal of 121492049702 is 207940294121.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121492049702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30373012424 + ... + 30373012427.

It is an arithmetic number, because the mean of its divisors is an integer number (45559518639).

Almost surely, 2^121492049702 is an apocalyptic number.

121492049702 is a deficient number, since it is larger than the sum of its proper divisors (60746024854).

121492049702 is an equidigital number, since it uses as much as digits as its factorization.

121492049702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60746024853.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 121492049702 in words is "one hundred twenty-one billion, four hundred ninety-two million, forty-nine thousand, seven hundred two".