30121264402 has 8 divisors (see below), whose sum is σ = 46143213696. Its totient is φ = 14740193172.

The previous prime is 30121264387. The next prime is 30121264427. The reversal of 30121264402 is 20446212103.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160219398 + ... + 160219585.

It is an arithmetic number, because the mean of its divisors is an integer number (5767901712).

Almost surely, 2^30121264402 is an apocalyptic number.

30121264402 is a deficient number, since it is larger than the sum of its proper divisors (16021949294).

30121264402 is a wasteful number, since it uses less digits than its factorization.

30121264402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320439032.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 30121264402 its reverse (20446212103), we get a palindrome (50567476505).

The spelling of 30121264402 in words is "thirty billion, one hundred twenty-one million, two hundred sixty-four thousand, four hundred two".