1201231110222 has 48 divisors (see below), whose sum is σ = 3057679196208. Its totient is φ = 336008701440.

The previous prime is 1201231110203. The next prime is 1201231110223. The reversal of 1201231110222 is 2220111321021.

1201231110222 is a `hidden beast` number, since 1 + 201 + 231 + 1 + 10 + 222 = 666.

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 = 1201231110195 and 1201231110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201231110223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233336803 + ... + 233341950.

It is an arithmetic number, because the mean of its divisors is an integer number (63701649921).

Almost surely, 2^{1201231110222} is an apocalyptic number.

1201231110222 is an abundant number, since it is smaller than the sum of its proper divisors (1856448085986).

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

1201231110222 is a wasteful number, since it uses less digits than its factorization.

1201231110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466678785 (or 466678782 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1201231110222 its reverse (2220111321021), we get a palindrome (3421342431243).

The spelling of 1201231110222 in words is "one trillion, two hundred one billion, two hundred thirty-one million, one hundred ten thousand, two hundred twenty-two".