121230220313122 has 4 divisors (see below), whose sum is σ = 181845330469686. Its totient is φ = 60615110156560.

The previous prime is 121230220313107. The next prime is 121230220313143. The reversal of 121230220313122 is 221313022032121.

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., 109587377623201 + 11642842689921 = 10468399^2 + 3412161^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30307555078279 + ... + 30307555078282.

Almost surely, 2^{121230220313122} is an apocalyptic number.

121230220313122 is a deficient number, since it is larger than the sum of its proper divisors (60615110156564).

121230220313122 is an equidigital number, since it uses as much as digits as its factorization.

121230220313122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60615110156563.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 121230220313122 its reverse (221313022032121), we get a palindrome (342543242345243).

The spelling of 121230220313122 in words is "one hundred twenty-one trillion, two hundred thirty billion, two hundred twenty million, three hundred thirteen thousand, one hundred twenty-two".