12000021211010 has 32 divisors (see below), whose sum is σ = 24690954511872. Its totient is φ = 4113426888000.

The previous prime is 12000021210937. The next prime is 12000021211021. The reversal of 12000021211010 is 1011212000021.

It is a junction number, because it is equal to n+sod(n) for n = 12000021210982 and 12000021211000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17708777 + ... + 18373916.

It is an arithmetic number, because the mean of its divisors is an integer number (771592328496).

Almost surely, 2^{12000021211010} is an apocalyptic number.

12000021211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000021211010 is an abundant number, since it is smaller than the sum of its proper divisors (12690933300862).

12000021211010 is a wasteful number, since it uses less digits than its factorization.

12000021211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36087458.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12000021211010 its reverse (1011212000021), we get a palindrome (13011233211031).

The spelling of 12000021211010 in words is "twelve trillion, twenty-one million, two hundred eleven thousand, ten".