1001212012 has 12 divisors (see below), whose sum is σ = 1754661496. Its totient is φ = 499880160.

The previous prime is 1001211989. The next prime is 1001212013. The reversal of 1001212012 is 2102121001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001212012.

It is not an unprimeable number, because it can be changed into a prime (1001212013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178353 + ... + 183880.

Almost surely, 2^1001212012 is an apocalyptic number.

It is an amenable number.

1001212012 is a deficient number, since it is larger than the sum of its proper divisors (753449484).

1001212012 is a wasteful number, since it uses less digits than its factorization.

1001212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362928 (or 362926 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1001212012 is about 31641.9343909313. The cubic root of 1001212012 is about 1000.4038408906.

Adding to 1001212012 its reverse (2102121001), we get a palindrome (3103333013).

The spelling of 1001212012 in words is "one billion, one million, two hundred twelve thousand, twelve".