34012402121 has 2 divisors, whose sum is σ = 34012402122. Its totient is φ = 34012402120.

The previous prime is 34012402111. The next prime is 34012402169. The reversal of 34012402121 is 12120421043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33292016521 + 720385600 = 182461^2 + 26840^2 .

It is a cyclic number.

It is not a de Polignac number, because 34012402121 - 2⁶ = 34012402057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34012402093 and 34012402102.

It is not a weakly prime, because it can be changed into another prime (34012402111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17006201060 + 17006201061.

It is an arithmetic number, because the mean of its divisors is an integer number (17006201061).

Almost surely, 2^34012402121 is an apocalyptic number.

It is an amenable number.

34012402121 is a deficient number, since it is larger than the sum of its proper divisors (1).

34012402121 is an equidigital number, since it uses as much as digits as its factorization.

34012402121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 34012402121 its reverse (12120421043), we get a palindrome (46132823164).

The spelling of 34012402121 in words is "thirty-four billion, twelve million, four hundred two thousand, one hundred twenty-one".