1230201011322 has 24 divisors (see below), whose sum is σ = 2677074989940. Its totient is φ = 408276316800.

The previous prime is 1230201011309. The next prime is 1230201011323. The reversal of 1230201011322 is 2231101020321.

It can be written as a sum of positive squares in 2 ways, for example, as 1177292270961 + 52908740361 = 1085031^2 + 230019^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1230201011295 and 1230201011304.

It is not an unprimeable number, because it can be changed into a prime (1230201011323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149219679 + ... + 149227922.

Almost surely, 2^{1230201011322} is an apocalyptic number.

1230201011322 is an abundant number, since it is smaller than the sum of its proper divisors (1446873978618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230201011322 is a wasteful number, since it uses less digits than its factorization.

1230201011322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298447838 (or 298447835 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1230201011322 its reverse (2231101020321), we get a palindrome (3461302031643).

The spelling of 1230201011322 in words is "one trillion, two hundred thirty billion, two hundred one million, eleven thousand, three hundred twenty-two".