1202212011 has 48 divisors (see below), whose sum is σ = 2190682368. Its totient is φ = 576475200.

The previous prime is 1202212009. The next prime is 1202212031. The reversal of 1202212011 is 1102122021.

It is not a de Polignac number, because 1202212011 - 2¹ = 1202212009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202212031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7575 + ... + 49616.

It is an arithmetic number, because the mean of its divisors is an integer number (45639216).

Almost surely, 2^1202212011 is an apocalyptic number.

1202212011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202212011 is a deficient number, since it is larger than the sum of its proper divisors (988470357).

1202212011 is a wasteful number, since it uses less digits than its factorization.

1202212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57232 (or 57225 counting only the distinct ones).

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

The square root of 1202212011 is about 34672.9290801917. The cubic root of 1202212011 is about 1063.3111162920.

Adding to 1202212011 its reverse (1102122021), we get a palindrome (2304334032).

The spelling of 1202212011 in words is "one billion, two hundred two million, two hundred twelve thousand, eleven".