1012323212 has 12 divisors (see below), whose sum is σ = 1772571696. Its totient is φ = 505874160.

The previous prime is 1012323209. The next prime is 1012323229. The reversal of 1012323212 is 2123232101.

1012323212 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63839 + ... + 78102.

It is an arithmetic number, because the mean of its divisors is an integer number (147714308).

Almost surely, 2^1012323212 is an apocalyptic number.

It is an amenable number.

1012323212 is a deficient number, since it is larger than the sum of its proper divisors (760248484).

1012323212 is a wasteful number, since it uses less digits than its factorization.

1012323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143728 (or 143726 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1012323212 is about 31817.0270767085. The cubic root of 1012323212 is about 1004.0909784067.

Adding to 1012323212 its reverse (2123232101), we get a palindrome (3135555313).

The spelling of 1012323212 in words is "one billion, twelve million, three hundred twenty-three thousand, two hundred twelve".