30402211220402 has 64 divisors (see below), whose sum is σ = 55530571714560. Its totient is φ = 12186048727296.

The previous prime is 30402211220333. The next prime is 30402211220417. The reversal of 30402211220402 is 20402211220403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281086049 + ... + 281194187.

It is an arithmetic number, because the mean of its divisors is an integer number (867665183040).

Almost surely, 2^{30402211220402} is an apocalyptic number.

30402211220402 is a deficient number, since it is larger than the sum of its proper divisors (25128360494158).

30402211220402 is a wasteful number, since it uses less digits than its factorization.

30402211220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115575.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 30402211220402 its reverse (20402211220403), we get a palindrome (50804422440805).

Subtracting from 30402211220402 its reverse (20402211220403), we obtain a palindrome (9999999999999).

The spelling of 30402211220402 in words is "thirty trillion, four hundred two billion, two hundred eleven million, two hundred twenty thousand, four hundred two".