121229241656 has 16 divisors (see below), whose sum is σ = 227461288200. Its totient is φ = 60572898144.

The previous prime is 121229241643. The next prime is 121229241703. The reversal of 121229241656 is 656142922121.

It is a congruent number.

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, 5202986 + ... + 5226233.

Almost surely, 2^121229241656 is an apocalyptic number.

It is an amenable number.

121229241656 is a deficient number, since it is larger than the sum of its proper divisors (106232046544).

121229241656 is a wasteful number, since it uses less digits than its factorization.

121229241656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10430678 (or 10430674 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The spelling of 121229241656 in words is "one hundred twenty-one billion, two hundred twenty-nine million, two hundred forty-one thousand, six hundred fifty-six".