1012421213 has 8 divisors (see below), whose sum is σ = 1128395520. Its totient is φ = 902715840.

The previous prime is 1012421203. The next prime is 1012421227. The reversal of 1012421213 is 3121242101.

1012421213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1012421213 - 2⁶ = 1012421149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012421191 and 1012421200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012421203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566893 + ... + 1567538.

It is an arithmetic number, because the mean of its divisors is an integer number (141049440).

Almost surely, 2^1012421213 is an apocalyptic number.

It is an amenable number.

1012421213 is a deficient number, since it is larger than the sum of its proper divisors (115974307).

1012421213 is a wasteful number, since it uses less digits than its factorization.

1012421213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134467.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1012421213 is about 31818.5671110438. The cubic root of 1012421213 is about 1004.1233787124.

Adding to 1012421213 its reverse (3121242101), we get a palindrome (4133663314).

The spelling of 1012421213 in words is "one billion, twelve million, four hundred twenty-one thousand, two hundred thirteen".