1011213213 has 8 divisors (see below), whose sum is σ = 1371136800. Its totient is φ = 662715888.

The previous prime is 1011213197. The next prime is 1011213221. The reversal of 1011213213 is 3123121101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011213213 - 2⁴ = 1011213197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011213192 and 1011213201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011213253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2856358 + ... + 2856711.

It is an arithmetic number, because the mean of its divisors is an integer number (171392100).

Almost surely, 2^1011213213 is an apocalyptic number.

It is an amenable number.

1011213213 is a deficient number, since it is larger than the sum of its proper divisors (359923587).

1011213213 is an equidigital number, since it uses as much as digits as its factorization.

1011213213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713131.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1011213213 is about 31799.5788179655. The cubic root of 1011213213 is about 1003.7238533698.

Adding to 1011213213 its reverse (3123121101), we get a palindrome (4134334314).

The spelling of 1011213213 in words is "one billion, eleven million, two hundred thirteen thousand, two hundred thirteen".