1201102212 has 12 divisors (see below), whose sum is σ = 2802571856. Its totient is φ = 400367400.

The previous prime is 1201102183. The next prime is 1201102219. The reversal of 1201102212 is 2122011021.

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: 100091851 = 1201102212 / (1 + 2 + 0 + 1 + 1 + 0 + 2 + 2 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (1201102219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50045914 + ... + 50045937.

Almost surely, 2^1201102212 is an apocalyptic number.

1201102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201102212 is an abundant number, since it is smaller than the sum of its proper divisors (1601469644).

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

1201102212 is a wasteful number, since it uses less digits than its factorization.

1201102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100091858 (or 100091856 counting only the distinct ones).

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

The square root of 1201102212 is about 34656.9215597693. The cubic root of 1201102212 is about 1062.9838237939.

Adding to 1201102212 its reverse (2122011021), we get a palindrome (3323113233).

The spelling of 1201102212 in words is "one billion, two hundred one million, one hundred two thousand, two hundred twelve".