30212123294 has 16 divisors (see below), whose sum is σ = 47464354080. Its totient is φ = 14395555680.

The previous prime is 30212123281. The next prime is 30212123311. The reversal of 30212123294 is 49232121203.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208417 + ... + 1233164.

It is an arithmetic number, because the mean of its divisors is an integer number (2966522130).

Almost surely, 2^30212123294 is an apocalyptic number.

30212123294 is a deficient number, since it is larger than the sum of its proper divisors (17252230786).

30212123294 is a wasteful number, since it uses less digits than its factorization.

30212123294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441875.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 30212123294 its reverse (49232121203), we get a palindrome (79444244497).

The spelling of 30212123294 in words is "thirty billion, two hundred twelve million, one hundred twenty-three thousand, two hundred ninety-four".