1043213012 has 48 divisors (see below), whose sum is σ = 1956864000. Its totient is φ = 485188704.

The previous prime is 1043212999. The next prime is 1043213021. The reversal of 1043213012 is 2103123401.

It is a super-2 number, since 2×1043213012² = 2176586776812224288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1434593 + ... + 1435319.

It is an arithmetic number, because the mean of its divisors is an integer number (40768000).

Almost surely, 2^1043213012 is an apocalyptic number.

It is an amenable number.

1043213012 is a deficient number, since it is larger than the sum of its proper divisors (913650988).

1043213012 is a wasteful number, since it uses less digits than its factorization.

1043213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1066 counting only the distinct ones).

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

The square root of 1043213012 is about 32298.8082133072. The cubic root of 1043213012 is about 1014.2016944374.

Adding to 1043213012 its reverse (2103123401), we get a palindrome (3146336413).

The spelling of 1043213012 in words is "one billion, forty-three million, two hundred thirteen thousand, twelve".