12021110021010 has 16 divisors (see below), whose sum is σ = 28850664050496. Its totient is φ = 3205629338928.

The previous prime is 12021110020939. The next prime is 12021110021059. The reversal of 12021110021010 is 1012001112021.

It is a super-2 number, since 2×12021110021010² (a number of 27 digits) contains 22 as substring.

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, 200351833654 + ... + 200351833713.

It is an arithmetic number, because the mean of its divisors is an integer number (1803166503156).

Almost surely, 2^{12021110021010} is an apocalyptic number.

12021110021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021110021010 is an abundant number, since it is smaller than the sum of its proper divisors (16829554029486).

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

12021110021010 is a wasteful number, since it uses less digits than its factorization.

12021110021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400703667377.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12021110021010 its reverse (1012001112021), we get a palindrome (13033111133031).

The spelling of 12021110021010 in words is "twelve trillion, twenty-one billion, one hundred ten million, twenty-one thousand, ten".