12021201010 has 64 divisors (see below), whose sum is σ = 28033286400. Its totient is φ = 3604269312.

The previous prime is 12021200977. The next prime is 12021201043. The reversal of 12021201010 is 1010212021.

It is an interprime number because it is at equal distance from previous prime (12021200977) and next prime (12021201043).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330345 + ... + 364924.

It is an arithmetic number, because the mean of its divisors is an integer number (438020100).

Almost surely, 2^12021201010 is an apocalyptic number.

12021201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021201010 is an abundant number, since it is smaller than the sum of its proper divisors (16012085390).

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

12021201010 is a wasteful number, since it uses less digits than its factorization.

12021201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695315.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12021201010 its reverse (1010212021), we get a palindrome (13031413031).

The spelling of 12021201010 in words is "twelve billion, twenty-one million, two hundred one thousand, ten".