1201722212 has 24 divisors (see below), whose sum is σ = 2159099712. Its totient is φ = 585010400.

The previous prime is 1201722199. The next prime is 1201722253. The reversal of 1201722212 is 2122271021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6137 + ... + 49407.

It is an arithmetic number, because the mean of its divisors is an integer number (89962488).

Almost surely, 2^1201722212 is an apocalyptic number.

It is an amenable number.

1201722212 is a deficient number, since it is larger than the sum of its proper divisors (957377500).

1201722212 is a wasteful number, since it uses less digits than its factorization.

1201722212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43459 (or 43457 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1201722212 is about 34665.8652279155. The cubic root of 1201722212 is about 1063.1666937716.

Adding to 1201722212 its reverse (2122271021), we get a palindrome (3323993233).

The spelling of 1201722212 in words is "one billion, two hundred one million, seven hundred twenty-two thousand, two hundred twelve".