12120021102010 has 8 divisors (see below), whose sum is σ = 21816037983636. Its totient is φ = 4848008440800.

The previous prime is 12120021101999. The next prime is 12120021102149. The reversal of 12120021102010 is 1020112002121.

It can be written as a sum of positive squares in 2 ways, for example, as 11755894543969 + 364126558041 = 3428687^2 + 603429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606001055091 + ... + 606001055110.

Almost surely, 2^{12120021102010} is an apocalyptic number.

12120021102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120021102010 is a deficient number, since it is larger than the sum of its proper divisors (9696016881626).

12120021102010 is a wasteful number, since it uses less digits than its factorization.

12120021102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212002110208.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12120021102010 its reverse (1020112002121), we get a palindrome (13140133104131).

The spelling of 12120021102010 in words is "twelve trillion, one hundred twenty billion, twenty-one million, one hundred two thousand, ten".