121423402422 has 48 divisors (see below), whose sum is σ = 301217309952. Its totient is φ = 34628958000.

The previous prime is 121423402363. The next prime is 121423402511. The reversal of 121423402422 is 224204324121.

It is a happy number.

121423402422 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 234 + 0 + 2 + 422 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 811954 + ... + 949797.

It is an arithmetic number, because the mean of its divisors is an integer number (6275360624).

Almost surely, 2^121423402422 is an apocalyptic number.

121423402422 is an abundant number, since it is smaller than the sum of its proper divisors (179793907530).

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

121423402422 is a wasteful number, since it uses less digits than its factorization.

121423402422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762313 (or 1762310 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 121423402422 its reverse (224204324121), we get a palindrome (345627726543).

The spelling of 121423402422 in words is "one hundred twenty-one billion, four hundred twenty-three million, four hundred two thousand, four hundred twenty-two".