121303400114142 has 32 divisors (see below), whose sum is σ = 269578658288160. Its totient is φ = 40432134666240.

The previous prime is 121303400114081. The next prime is 121303400114159. The reversal of 121303400114142 is 241411004303121.

It is a happy number.

121303400114142 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 0 + 3 + 400 + 114 + 142 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63833763 + ... + 65706590.

It is an arithmetic number, because the mean of its divisors is an integer number (8424333071505).

Almost surely, 2^{121303400114142} is an apocalyptic number.

121303400114142 is an abundant number, since it is smaller than the sum of its proper divisors (148275258174018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121303400114142 is a wasteful number, since it uses less digits than its factorization.

121303400114142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129557705 (or 129557699 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 121303400114142 its reverse (241411004303121), we get a palindrome (362714404417263).

The spelling of 121303400114142 in words is "one hundred twenty-one trillion, three hundred three billion, four hundred million, one hundred fourteen thousand, one hundred forty-two".