121212301422 has 16 divisors (see below), whose sum is σ = 242708815440. Its totient is φ = 40356731712.

The previous prime is 121212301411. The next prime is 121212301459. The reversal of 121212301422 is 224103212121.

It is a happy number.

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, 11836647 + ... + 11846882.

It is an arithmetic number, because the mean of its divisors is an integer number (15169300965).

Almost surely, 2^121212301422 is an apocalyptic number.

121212301422 is an abundant number, since it is smaller than the sum of its proper divisors (121496514018).

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

121212301422 is a wasteful number, since it uses less digits than its factorization.

121212301422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23684387.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121212301422 its reverse (224103212121), we get a palindrome (345315513543).

The spelling of 121212301422 in words is "one hundred twenty-one billion, two hundred twelve million, three hundred one thousand, four hundred twenty-two".