1200101212 has 12 divisors (see below), whose sum is σ = 2100878640. Its totient is φ = 599850176.

The previous prime is 1200101191. The next prime is 1200101261. The reversal of 1200101212 is 2121010021.

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, 36208 + ... + 60919.

It is an arithmetic number, because the mean of its divisors is an integer number (175073220).

Almost surely, 2^1200101212 is an apocalyptic number.

It is an amenable number.

1200101212 is a deficient number, since it is larger than the sum of its proper divisors (900777428).

1200101212 is a wasteful number, since it uses less digits than its factorization.

1200101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100220 (or 100218 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1200101212 is about 34642.4769899613. The cubic root of 1200101212 is about 1062.6884443980.

Adding to 1200101212 its reverse (2121010021), we get a palindrome (3321111233).

The spelling of 1200101212 in words is "one billion, two hundred million, one hundred one thousand, two hundred twelve".