2213021012 has 12 divisors (see below), whose sum is σ = 3875164020. Its totient is φ = 1105831296.

The previous prime is 2213021011. The next prime is 2213021039. The reversal of 2213021012 is 2101203122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 266799556 + 1946221456 = 16334^2 + 44116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213021011) 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, 162437 + ... + 175532.

It is an arithmetic number, because the mean of its divisors is an integer number (322930335).

Almost surely, 2^2213021012 is an apocalyptic number.

It is an amenable number.

2213021012 is a deficient number, since it is larger than the sum of its proper divisors (1662143008).

2213021012 is a wasteful number, since it uses less digits than its factorization.

2213021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339610 (or 339608 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2213021012 is about 47042.7572746326. The cubic root of 2213021012 is about 1303.1523128359.

Adding to 2213021012 its reverse (2101203122), we get a palindrome (4314224134).

The spelling of 2213021012 in words is "two billion, two hundred thirteen million, twenty-one thousand, twelve".