1012123036 has 12 divisors (see below), whose sum is σ = 1793636320. Its totient is φ = 499655520.

The previous prime is 1012123031. The next prime is 1012123037. The reversal of 1012123036 is 6303212101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012123031) 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, 1601145 + ... + 1601776.

Almost surely, 2^1012123036 is an apocalyptic number.

It is an amenable number.

1012123036 is a deficient number, since it is larger than the sum of its proper divisors (781513284).

1012123036 is a wasteful number, since it uses less digits than its factorization.

1012123036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203004 (or 3203002 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1012123036 is about 31813.8811841624. The cubic root of 1012123036 is about 1004.0247913224.

Adding to 1012123036 its reverse (6303212101), we get a palindrome (7315335137).

The spelling of 1012123036 in words is "one billion, twelve million, one hundred twenty-three thousand, thirty-six".