10202012 has 24 divisors (see below), whose sum is σ = 18905040.
Its totient is φ = 4803840.
The previous prime is 10202009. The next prime is 10202021. The reversal of 10202012 is 21020201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18038 + ... + 18594.
It is an arithmetic number, because the mean of its divisors is an integer number (787710).
Almost surely, 210202012 is an apocalyptic number.
It is an amenable number.
10202012 is a deficient number, since it is larger than the sum of its proper divisors (8703028).
10202012 is a wasteful number, since it uses less digits than its factorization.
10202012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 821 (or 819 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 10202012 is about 3194.0588598208.
The cubic root of 10202012 is about 216.8845471634.
Adding to 10202012 its reverse (21020201), we get a palindrome (31222213).
It can be divided in two parts, 1020201 and 2, that multiplied together give a palindrome (2040402).
The spelling of 10202012 in words is "ten million, two hundred two thousand, twelve".