20121301010 has 8 divisors (see below), whose sum is σ = 36218341836. Its totient is φ = 8048520400.

The previous prime is 20121301001. The next prime is 20121301051. The reversal of 20121301010 is 1010312102.

It can be written as a sum of positive squares in 2 ways, for example, as 20012912089 + 108388921 = 141467^2 + 10411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20121300982 and 20121301000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1006065041 + ... + 1006065060.

Almost surely, 2^20121301010 is an apocalyptic number.

20121301010 is a deficient number, since it is larger than the sum of its proper divisors (16097040826).

20121301010 is a wasteful number, since it uses less digits than its factorization.

20121301010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012130108.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20121301010 its reverse (1010312102), we get a palindrome (21131613112).

The spelling of 20121301010 in words is "twenty billion, one hundred twenty-one million, three hundred one thousand, ten".