12021010210 has 16 divisors (see below), whose sum is σ = 23604892992. Its totient is φ = 4371276400.

The previous prime is 12021010181. The next prime is 12021010241. The reversal of 12021010210 is 1201012021.

12021010210 = 14125² + 14126² + ... + 14184².

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54640846 + ... + 54641065.

It is an arithmetic number, because the mean of its divisors is an integer number (1475305812).

Almost surely, 2^12021010210 is an apocalyptic number.

12021010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021010210 is a deficient number, since it is larger than the sum of its proper divisors (11583882782).

12021010210 is a wasteful number, since it uses less digits than its factorization.

12021010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109281929.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12021010210 its reverse (1201012021), we get a palindrome (13222022231).

The spelling of 12021010210 in words is "twelve billion, twenty-one million, ten thousand, two hundred ten".