121847611444012 has 12 divisors (see below), whose sum is σ = 218996382730720. Its totient is φ = 59277216378096.

The previous prime is 121847611444001. The next prime is 121847611444019. The reversal of 121847611444012 is 210444116748121.

It is a happy number.

It is a super-2 number, since 2×121847611444012² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121847611444019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411647335812 + ... + 411647336107.

Almost surely, 2^{121847611444012} is an apocalyptic number.

It is an amenable number.

121847611444012 is a deficient number, since it is larger than the sum of its proper divisors (97148771286708).

121847611444012 is a wasteful number, since it uses less digits than its factorization.

121847611444012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823294671960 (or 823294671958 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 46.

The spelling of 121847611444012 in words is "one hundred twenty-one trillion, eight hundred forty-seven billion, six hundred eleven million, four hundred forty-four thousand, twelve".