1201202211222 has 64 divisors (see below), whose sum is σ = 2889566957760. Its totient is φ = 367685609472.

The previous prime is 1201202211191. The next prime is 1201202211263. The reversal of 1201202211222 is 2221122021021.

It is a happy number.

1201202211222 is a `hidden beast` number, since 1 + 201 + 20 + 221 + 1 + 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 = 1201202211195 and 1201202211204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4297453 + ... + 4568424.

It is an arithmetic number, because the mean of its divisors is an integer number (45149483715).

Almost surely, 2^{1201202211222} is an apocalyptic number.

1201202211222 is an abundant number, since it is smaller than the sum of its proper divisors (1688364746538).

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

1201202211222 is a wasteful number, since it uses less digits than its factorization.

1201202211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8866094 (or 8866088 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1201202211222 its reverse (2221122021021), we get a palindrome (3422324232243).

The spelling of 1201202211222 in words is "one trillion, two hundred one billion, two hundred two million, two hundred eleven thousand, two hundred twenty-two".