30012022121 has 16 divisors (see below), whose sum is σ = 32174769024. Its totient is φ = 27921320064.

The previous prime is 30012022111. The next prime is 30012022141. The reversal of 30012022121 is 12122021003.

It is a happy number.

It is not a de Polignac number, because 30012022121 - 2⁶ = 30012022057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30012022096 and 30012022105.

It is not an unprimeable number, because it can be changed into a prime (30012022111) 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, 3584486 + ... + 3592848.

It is an arithmetic number, because the mean of its divisors is an integer number (2010923064).

Almost surely, 2^30012022121 is an apocalyptic number.

It is an amenable number.

30012022121 is a deficient number, since it is larger than the sum of its proper divisors (2162746903).

30012022121 is a wasteful number, since it uses less digits than its factorization.

30012022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 30012022121 its reverse (12122021003), we get a palindrome (42134043124).

The spelling of 30012022121 in words is "thirty billion, twelve million, twenty-two thousand, one hundred twenty-one".