121420214200 has 24 divisors (see below), whose sum is σ = 282301998480. Its totient is φ = 48568085600.

The previous prime is 121420214189. The next prime is 121420214213. The reversal of 121420214200 is 2412024121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 303550336 + ... + 303550735.

It is an arithmetic number, because the mean of its divisors is an integer number (11762583270).

Almost surely, 2^121420214200 is an apocalyptic number.

121420214200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121420214200 is an abundant number, since it is smaller than the sum of its proper divisors (160881784280).

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

121420214200 is a wasteful number, since it uses less digits than its factorization.

121420214200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607101087 (or 607101078 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121420214200 its reverse (2412024121), we get a palindrome (123832238321).

The spelling of 121420214200 in words is "one hundred twenty-one billion, four hundred twenty million, two hundred fourteen thousand, two hundred".