121202220012112 has 40 divisors (see below), whose sum is σ = 236641501242432. Its totient is φ = 60133522176000.

The previous prime is 121202220012077. The next prime is 121202220012131. The reversal of 121202220012112 is 211210022202121.

It is a self number, because there is not a number n which added to its sum of digits gives 121202220012112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22965237 + ... + 27745387.

Almost surely, 2^{121202220012112} is an apocalyptic number.

It is an amenable number.

121202220012112 is a deficient number, since it is larger than the sum of its proper divisors (115439281230320).

121202220012112 is a wasteful number, since it uses less digits than its factorization.

121202220012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792387 (or 4792381 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121202220012112 its reverse (211210022202121), we get a palindrome (332412242214233).

The spelling of 121202220012112 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred twenty million, twelve thousand, one hundred twelve".