1201222132 has 12 divisors (see below), whose sum is σ = 2293242336. Its totient is φ = 546010040.

The previous prime is 1201222129. The next prime is 1201222177. The reversal of 1201222132 is 2312221021.

It is a happy number.

It is a super-2 number, since 2×1201222132² = 2885869220813250848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13650208 + ... + 13650295.

It is an arithmetic number, because the mean of its divisors is an integer number (191103528).

Almost surely, 2^1201222132 is an apocalyptic number.

It is an amenable number.

1201222132 is a deficient number, since it is larger than the sum of its proper divisors (1092020204).

1201222132 is a wasteful number, since it uses less digits than its factorization.

1201222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27300518 (or 27300516 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1201222132 is about 34658.6516183189. The cubic root of 1201222132 is about 1063.0191992950.

Adding to 1201222132 its reverse (2312221021), we get a palindrome (3513443153).

The spelling of 1201222132 in words is "one billion, two hundred one million, two hundred twenty-two thousand, one hundred thirty-two".