29930730121 has 8 divisors (see below), whose sum is σ = 30648715200. Its totient is φ = 29218421232.

The previous prime is 29930730107. The next prime is 29930730133. The reversal of 29930730121 is 12103703992.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29930730121 - 2¹¹ = 29930728073 is a prime.

It is a super-2 number, since 2×29930730121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29930730521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1408375 + ... + 1429468.

It is an arithmetic number, because the mean of its divisors is an integer number (3831089400).

Almost surely, 2^29930730121 is an apocalyptic number.

It is an amenable number.

29930730121 is a deficient number, since it is larger than the sum of its proper divisors (717985079).

29930730121 is a wasteful number, since it uses less digits than its factorization.

29930730121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838095.

The product of its (nonzero) digits is 20412, while the sum is 37.

The spelling of 29930730121 in words is "twenty-nine billion, nine hundred thirty million, seven hundred thirty thousand, one hundred twenty-one".