1201023322312 has 32 divisors (see below), whose sum is σ = 2456796912480. Its totient is φ = 545884514560.

The previous prime is 1201023322297. The next prime is 1201023322313. The reversal of 1201023322312 is 2132233201021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1201023322313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958848 + ... + 1822480.

It is an arithmetic number, because the mean of its divisors is an integer number (76774903515).

Almost surely, 2^{1201023322312} is an apocalyptic number.

It is an amenable number.

1201023322312 is an abundant number, since it is smaller than the sum of its proper divisors (1255773590168).

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

1201023322312 is a wasteful number, since it uses less digits than its factorization.

1201023322312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879453 (or 879449 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1201023322312 its reverse (2132233201021), we get a palindrome (3333256523333).

The spelling of 1201023322312 in words is "one trillion, two hundred one billion, twenty-three million, three hundred twenty-two thousand, three hundred twelve".