1201120212 has 12 divisors (see below), whose sum is σ = 2802613856. Its totient is φ = 400373400.

The previous prime is 1201120201. The next prime is 1201120241. The reversal of 1201120212 is 2120211021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 100093351 = 1201120212 / (1 + 2 + 0 + 1 + 1 + 2 + 0 + 2 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50046664 + ... + 50046687.

Almost surely, 2^1201120212 is an apocalyptic number.

1201120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201120212 is an abundant number, since it is smaller than the sum of its proper divisors (1601493644).

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

1201120212 is a wasteful number, since it uses less digits than its factorization.

1201120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100093358 (or 100093356 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1201120212 is about 34657.1812471817. The cubic root of 1201120212 is about 1062.9891338091.

Adding to 1201120212 its reverse (2120211021), we get a palindrome (3321331233).

It can be divided in two parts, 12011 and 20212, that added together give a palindrome (32223).

The spelling of 1201120212 in words is "one billion, two hundred one million, one hundred twenty thousand, two hundred twelve".