10124020012 has 6 divisors (see below), whose sum is σ = 17717035028. Its totient is φ = 5062010004.

The previous prime is 10124020003. The next prime is 10124020019. The reversal of 10124020012 is 21002042101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10124019974 and 10124020001.

It is not an unprimeable number, because it can be changed into a prime (10124020019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265502498 + ... + 1265502505.

Almost surely, 2^10124020012 is an apocalyptic number.

It is an amenable number.

10124020012 is a deficient number, since it is larger than the sum of its proper divisors (7593015016).

10124020012 is a wasteful number, since it uses less digits than its factorization.

10124020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531005007 (or 2531005005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10124020012 its reverse (21002042101), we get a palindrome (31126062113).

The spelling of 10124020012 in words is "ten billion, one hundred twenty-four million, twenty thousand, twelve".