1221232030301 has 16 divisors (see below), whose sum is σ = 1311418885248. Its totient is φ = 1133087424000.

The previous prime is 1221232030297. The next prime is 1221232030303. The reversal of 1221232030301 is 1030302321221.

It is a cyclic number.

It is not a de Polignac number, because 1221232030301 - 2² = 1221232030297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221232030303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12747686 + ... + 12843128.

It is an arithmetic number, because the mean of its divisors is an integer number (81963680328).

Almost surely, 2^{1221232030301} is an apocalyptic number.

It is an amenable number.

1221232030301 is a deficient number, since it is larger than the sum of its proper divisors (90186854947).

1221232030301 is a wasteful number, since it uses less digits than its factorization.

1221232030301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106132.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1221232030301 its reverse (1030302321221), we get a palindrome (2251534351522).

The spelling of 1221232030301 in words is "one trillion, two hundred twenty-one billion, two hundred thirty-two million, thirty thousand, three hundred one".