29616028000121 has 2 divisors, whose sum is σ = 29616028000122. Its totient is φ = 29616028000120.

The previous prime is 29616028000003. The next prime is 29616028000129. The reversal of 29616028000121 is 12100082061692.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24378521126521 + 5237506873600 = 4937461^2 + 2288560^2 .

It is a cyclic number.

It is not a de Polignac number, because 29616028000121 - 2⁴² = 25217981489017 is a prime.

It is a super-2 number, since 2×29616028000121² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29616028000129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14808014000060 + 14808014000061.

It is an arithmetic number, because the mean of its divisors is an integer number (14808014000061).

Almost surely, 2^{29616028000121} is an apocalyptic number.

It is an amenable number.

29616028000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

29616028000121 is an equidigital number, since it uses as much as digits as its factorization.

29616028000121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 29616028000121 in words is "twenty-nine trillion, six hundred sixteen billion, twenty-eight million, one hundred twenty-one", and thus it is an aban number.