10302121012 has 12 divisors (see below), whose sum is σ = 18107441380. Its totient is φ = 5128566336.

The previous prime is 10302121007. The next prime is 10302121013. The reversal of 10302121012 is 21012120301.

It can be written as a sum of positive squares in 2 ways, for example, as 9501570576 + 800550436 = 97476^2 + 28294^2 .

It is a super-2 number, since 2×10302121012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10302120983 and 10302121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302121013) 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, 5622513 + ... + 5624344.

Almost surely, 2^10302121012 is an apocalyptic number.

It is an amenable number.

10302121012 is a deficient number, since it is larger than the sum of its proper divisors (7805320368).

10302121012 is a wasteful number, since it uses less digits than its factorization.

10302121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11247090 (or 11247088 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10302121012 its reverse (21012120301), we get a palindrome (31314241313).

The spelling of 10302121012 in words is "ten billion, three hundred two million, one hundred twenty-one thousand, twelve".