121801281414 has 32 divisors (see below), whose sum is σ = 251902863360. Its totient is φ = 39221649600.

The previous prime is 121801281397. The next prime is 121801281449. The reversal of 121801281414 is 414182108121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469602 + ... + 681269.

It is an arithmetic number, because the mean of its divisors is an integer number (7871964480).

Almost surely, 2^121801281414 is an apocalyptic number.

121801281414 is an abundant number, since it is smaller than the sum of its proper divisors (130101581946).

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

121801281414 is a wasteful number, since it uses less digits than its factorization.

121801281414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151476.

The product of its (nonzero) digits is 4096, while the sum is 33.

Adding to 121801281414 its reverse (414182108121), we get a palindrome (535983389535).

The spelling of 121801281414 in words is "one hundred twenty-one billion, eight hundred one million, two hundred eighty-one thousand, four hundred fourteen".