3121200411409 has 16 divisors (see below), whose sum is σ = 3246759419904. Its totient is φ = 2997200091600.

The previous prime is 3121200411337. The next prime is 3121200411431. The reversal of 3121200411409 is 9041140021213.

It is a cyclic number.

It is not a de Polignac number, because 3121200411409 - 2⁴¹ = 922177155857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121200411479) 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, 60576552 + ... + 60628054.

It is an arithmetic number, because the mean of its divisors is an integer number (202922463744).

Almost surely, 2^{3121200411409} is an apocalyptic number.

It is an amenable number.

3121200411409 is a deficient number, since it is larger than the sum of its proper divisors (125559008495).

3121200411409 is a wasteful number, since it uses less digits than its factorization.

3121200411409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66588.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 3121200411409 in words is "three trillion, one hundred twenty-one billion, two hundred million, four hundred eleven thousand, four hundred nine".