1012212993 has 8 divisors (see below), whose sum is σ = 1472309856. Its totient is φ = 613462400.

The previous prime is 1012212977. The next prime is 1012213001. The reversal of 1012212993 is 3992122101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012212993 - 2⁴ = 1012212977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012212993.

It is not an unprimeable number, because it can be changed into a prime (1012212923) 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, 15336528 + ... + 15336593.

It is an arithmetic number, because the mean of its divisors is an integer number (184038732).

Almost surely, 2^1012212993 is an apocalyptic number.

It is an amenable number.

1012212993 is a deficient number, since it is larger than the sum of its proper divisors (460096863).

1012212993 is a wasteful number, since it uses less digits than its factorization.

1012212993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30673135.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1012212993 is about 31815.2949538426. The cubic root of 1012212993 is about 1004.0545361851.

The spelling of 1012212993 in words is "one billion, twelve million, two hundred twelve thousand, nine hundred ninety-three".