121341450212 has 12 divisors (see below), whose sum is σ = 212851929276. Its totient is φ = 60526613280.

The previous prime is 121341450163. The next prime is 121341450253. The reversal of 121341450212 is 212054143121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28044191296 + 93297258916 = 167464^2 + 305446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36026063 + ... + 36029430.

It is an arithmetic number, because the mean of its divisors is an integer number (17737660773).

Almost surely, 2^121341450212 is an apocalyptic number.

It is an amenable number.

121341450212 is a deficient number, since it is larger than the sum of its proper divisors (91510479064).

121341450212 is a wasteful number, since it uses less digits than its factorization.

121341450212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72055918 (or 72055916 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 121341450212 its reverse (212054143121), we get a palindrome (333395593333).

The spelling of 121341450212 in words is "one hundred twenty-one billion, three hundred forty-one million, four hundred fifty thousand, two hundred twelve".