30540200123122 has 4 divisors (see below), whose sum is σ = 45810300184686. Its totient is φ = 15270100061560.

The previous prime is 30540200123119. The next prime is 30540200123171. The reversal of 30540200123122 is 22132100204503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28093381501761 + 2446818621361 = 5300319^2 + 1564231^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7635050030779 + ... + 7635050030782.

Almost surely, 2^{30540200123122} is an apocalyptic number.

30540200123122 is a deficient number, since it is larger than the sum of its proper divisors (15270100061564).

30540200123122 is a wasteful number, since it uses less digits than its factorization.

30540200123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15270100061563.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 30540200123122 its reverse (22132100204503), we get a palindrome (52672300327625).

The spelling of 30540200123122 in words is "thirty trillion, five hundred forty billion, two hundred million, one hundred twenty-three thousand, one hundred twenty-two".