1331212301201 has 32 divisors (see below), whose sum is σ = 1461794439168. Its totient is φ = 1207311642880.

The previous prime is 1331212301197. The next prime is 1331212301203. The reversal of 1331212301201 is 1021032121331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1331212301201 - 2² = 1331212301197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331212301203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42133856 + ... + 42165438.

It is an arithmetic number, because the mean of its divisors is an integer number (45681076224).

Almost surely, 2^{1331212301201} is an apocalyptic number.

It is an amenable number.

1331212301201 is a deficient number, since it is larger than the sum of its proper divisors (130582137967).

1331212301201 is a wasteful number, since it uses less digits than its factorization.

1331212301201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32461.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1331212301201 its reverse (1021032121331), we get a palindrome (2352244422532).

The spelling of 1331212301201 in words is "one trillion, three hundred thirty-one billion, two hundred twelve million, three hundred one thousand, two hundred one".