12021213211210 has 64 divisors (see below), whose sum is σ = 25639838496000. Its totient is φ = 3970452874752.

The previous prime is 12021213211201. The next prime is 12021213211219. The reversal of 12021213211210 is 1211231212021.

It is an interprime number because it is at equal distance from previous prime (12021213211201) and next prime (12021213211219).

It is not an unprimeable number, because it can be changed into a prime (12021213211219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5784435 + ... + 7583014.

It is an arithmetic number, because the mean of its divisors is an integer number (400622476500).

Almost surely, 2^{12021213211210} is an apocalyptic number.

12021213211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021213211210 is an abundant number, since it is smaller than the sum of its proper divisors (13618625284790).

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

12021213211210 is a wasteful number, since it uses less digits than its factorization.

12021213211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13367935.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12021213211210 its reverse (1211231212021), we get a palindrome (13232444423231).

The spelling of 12021213211210 in words is "twelve trillion, twenty-one billion, two hundred thirteen million, two hundred eleven thousand, two hundred ten".