10421231212 has 36 divisors (see below), whose sum is σ = 21614947200. Its totient is φ = 4381968864.

The previous prime is 10421231209. The next prime is 10421231213. The reversal of 10421231212 is 21213212401.

It is a self number, because there is not a number n which added to its sum of digits gives 10421231212.

It is not an unprimeable number, because it can be changed into a prime (10421231213) 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 11 ways as a sum of consecutive naturals, for example, 491212 + ... + 511987.

It is an arithmetic number, because the mean of its divisors is an integer number (600415200).

Almost surely, 2^10421231212 is an apocalyptic number.

It is an amenable number.

10421231212 is an abundant number, since it is smaller than the sum of its proper divisors (11193715988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10421231212 is a wasteful number, since it uses less digits than its factorization.

10421231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003270 (or 1003261 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10421231212 its reverse (21213212401), we get a palindrome (31634443613).

It can be divided in two parts, 104212 and 31212, that added together give a square (135424 = 368²).

The spelling of 10421231212 in words is "ten billion, four hundred twenty-one million, two hundred thirty-one thousand, two hundred twelve".