3402312121 has 16 divisors (see below), whose sum is σ = 3859172800. Its totient is φ = 2973526848.

The previous prime is 3402312107. The next prime is 3402312131. The reversal of 3402312121 is 1212132043.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3402312121 - 2¹³ = 3402303929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3402312131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576775 + ... + 582643.

It is an arithmetic number, because the mean of its divisors is an integer number (241198300).

Almost surely, 2^3402312121 is an apocalyptic number.

It is an amenable number.

3402312121 is a deficient number, since it is larger than the sum of its proper divisors (456860679).

3402312121 is a wasteful number, since it uses less digits than its factorization.

3402312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3402312121 is about 58329.3418529645. The cubic root of 3402312121 is about 1504.0353742493.

Adding to 3402312121 its reverse (1212132043), we get a palindrome (4614444164).

The spelling of 3402312121 in words is "three billion, four hundred two million, three hundred twelve thousand, one hundred twenty-one".