121412321401 has 16 divisors (see below), whose sum is σ = 148815792000. Its totient is φ = 96730253568.

The previous prime is 121412321357. The next prime is 121412321411. The reversal of 121412321401 is 104123214121.

It is a cyclic number.

It is not a de Polignac number, because 121412321401 - 2¹⁵ = 121412288633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121412321411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8604976 + ... + 8619073.

It is an arithmetic number, because the mean of its divisors is an integer number (9300987000).

Almost surely, 2^121412321401 is an apocalyptic number.

It is an amenable number.

121412321401 is a deficient number, since it is larger than the sum of its proper divisors (27403470599).

121412321401 is a wasteful number, since it uses less digits than its factorization.

121412321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17224128.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121412321401 its reverse (104123214121), we get a palindrome (225535535522).

The spelling of 121412321401 in words is "one hundred twenty-one billion, four hundred twelve million, three hundred twenty-one thousand, four hundred one".