1012121302 has 16 divisors (see below), whose sum is σ = 1585520640. Its totient is φ = 483651432.

The previous prime is 1012121291. The next prime is 1012121309. The reversal of 1012121302 is 2031212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012121309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50233 + ... + 67435.

It is an arithmetic number, because the mean of its divisors is an integer number (99095040).

Almost surely, 2^1012121302 is an apocalyptic number.

1012121302 is a deficient number, since it is larger than the sum of its proper divisors (573399338).

1012121302 is a wasteful number, since it uses less digits than its factorization.

1012121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18507.

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

The square root of 1012121302 is about 31813.8539318958. The cubic root of 1012121302 is about 1004.0242179467.

Adding to 1012121302 its reverse (2031212101), we get a palindrome (3043333403).

The spelling of 1012121302 in words is "one billion, twelve million, one hundred twenty-one thousand, three hundred two".