10021412 has 6 divisors (see below), whose sum is σ = 17537478. Its totient is φ = 5010704.

The previous prime is 10021411. The next prime is 10021423. The reversal of 10021412 is 21412001.

It can be written as a sum of positive squares in only one way, i.e., 9339136 + 682276 = 3056^2 + 826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10021393 and 10021402.

It is not an unprimeable number, because it can be changed into a prime (10021411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252673 + ... + 1252680.

It is an arithmetic number, because the mean of its divisors is an integer number (2922913).

Almost surely, 2^10021412 is an apocalyptic number.

It is an amenable number.

10021412 is a deficient number, since it is larger than the sum of its proper divisors (7516066).

10021412 is a wasteful number, since it uses less digits than its factorization.

10021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505357 (or 2505355 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 10021412 is about 3165.6613842924. The cubic root of 10021412 is about 215.5971285686.

Adding to 10021412 its reverse (21412001), we get a palindrome (31433413).

It can be divided in two parts, 100 and 21412, that added together give a palindrome (21512).

The spelling of 10021412 in words is "ten million, twenty-one thousand, four hundred twelve".