12021021011210 has 16 divisors (see below), whose sum is σ = 21638757789792. Its totient is φ = 4808203966800.

The previous prime is 12021021011183. The next prime is 12021021011249. The reversal of 12021021011210 is 1211012012021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25307636 + ... + 25778255.

It is an arithmetic number, because the mean of its divisors is an integer number (1352422361862).

Almost surely, 2^{12021021011210} is an apocalyptic number.

12021021011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021021011210 is a deficient number, since it is larger than the sum of its proper divisors (9617736778582).

12021021011210 is a wasteful number, since it uses less digits than its factorization.

12021021011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51109429.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12021021011210 its reverse (1211012012021), we get a palindrome (13232033023231).

The spelling of 12021021011210 in words is "twelve trillion, twenty-one billion, twenty-one million, eleven thousand, two hundred ten".