1012131213 has 8 divisors (see below), whose sum is σ = 1353268800. Its totient is φ = 672873888.

The previous prime is 1012131209. The next prime is 1012131217. The reversal of 1012131213 is 3121312101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1012131209) and next prime (1012131217).

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

It is not a de Polignac number, because 1012131213 - 2² = 1012131209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012131192 and 1012131201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012131217) 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, 468808 + ... + 470961.

It is an arithmetic number, because the mean of its divisors is an integer number (169158600).

Almost surely, 2^1012131213 is an apocalyptic number.

It is an amenable number.

1012131213 is a deficient number, since it is larger than the sum of its proper divisors (341137587).

1012131213 is an equidigital number, since it uses as much as digits as its factorization.

1012131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940131.

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

The square root of 1012131213 is about 31814.0096969873. The cubic root of 1012131213 is about 1004.0274951730.

Adding to 1012131213 its reverse (3121312101), we get a palindrome (4133443314).

The spelling of 1012131213 in words is "one billion, twelve million, one hundred thirty-one thousand, two hundred thirteen".