121214334442 has 16 divisors (see below), whose sum is σ = 193306538880. Its totient is φ = 56878259152.

The previous prime is 121214334431. The next prime is 121214334443. The reversal of 121214334442 is 244433412121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121214334443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24856942 + ... + 24861817.

It is an arithmetic number, because the mean of its divisors is an integer number (12081658680).

Almost surely, 2^121214334442 is an apocalyptic number.

121214334442 is a deficient number, since it is larger than the sum of its proper divisors (72092204438).

121214334442 is a wasteful number, since it uses less digits than its factorization.

121214334442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49718837.

The product of its digits is 18432, while the sum is 31.

Adding to 121214334442 its reverse (244433412121), we get a palindrome (365647746563).

The spelling of 121214334442 in words is "one hundred twenty-one billion, two hundred fourteen million, three hundred thirty-four thousand, four hundred forty-two".