121244088892 has 6 divisors (see below), whose sum is σ = 212177155568. Its totient is φ = 60622044444.

The previous prime is 121244088869. The next prime is 121244088899. The reversal of 121244088892 is 298880442121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121244088899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155511108 + ... + 15155511115.

Almost surely, 2^121244088892 is an apocalyptic number.

It is an amenable number.

121244088892 is a deficient number, since it is larger than the sum of its proper divisors (90933066676).

121244088892 is a wasteful number, since it uses less digits than its factorization.

121244088892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30311022227 (or 30311022225 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 49.

The spelling of 121244088892 in words is "one hundred twenty-one billion, two hundred forty-four million, eighty-eight thousand, eight hundred ninety-two".