30213212194 has 32 divisors (see below), whose sum is σ = 50813588736. Its totient is φ = 13355397120.

The previous prime is 30213212189. The next prime is 30213212203. The reversal of 30213212194 is 49121231203.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69282 + ... + 255394.

It is an arithmetic number, because the mean of its divisors is an integer number (1587924648).

Almost surely, 2^30213212194 is an apocalyptic number.

30213212194 is a deficient number, since it is larger than the sum of its proper divisors (20600376542).

30213212194 is a wasteful number, since it uses less digits than its factorization.

30213212194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186330.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 30213212194 its reverse (49121231203), we get a palindrome (79334443397).

The spelling of 30213212194 in words is "thirty billion, two hundred thirteen million, two hundred twelve thousand, one hundred ninety-four".