30000123212042 has 16 divisors (see below), whose sum is σ = 46251392104392. Its totient is φ = 14583606301440.

The previous prime is 30000123212041. The next prime is 30000123212053. The reversal of 30000123212042 is 24021232100003.

It can be written as a sum of positive squares in 4 ways, for example, as 27969067839241 + 2031055372801 = 5288579^2 + 1425151^2 .

It is not an unprimeable number, because it can be changed into a prime (30000123212041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153349283 + ... + 153544790.

Almost surely, 2^{30000123212042} is an apocalyptic number.

30000123212042 is a deficient number, since it is larger than the sum of its proper divisors (16251268892350).

30000123212042 is a wasteful number, since it uses less digits than its factorization.

30000123212042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306895433.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30000123212042 its reverse (24021232100003), we get a palindrome (54021355312045).

The spelling of 30000123212042 in words is "thirty trillion, one hundred twenty-three million, two hundred twelve thousand, forty-two".