12021001322010 has 32 divisors (see below), whose sum is σ = 28856926304640. Its totient is φ = 3204875560128.

The previous prime is 12021001321939. The next prime is 12021001322027. The reversal of 12021001322010 is 1022310012021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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, 45164625 + ... + 45430004.

It is an arithmetic number, because the mean of its divisors is an integer number (901778947020).

Almost surely, 2^{12021001322010} is an apocalyptic number.

12021001322010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021001322010 is an abundant number, since it is smaller than the sum of its proper divisors (16835924982630).

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

12021001322010 is a wasteful number, since it uses less digits than its factorization.

12021001322010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90599062.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12021001322010 its reverse (1022310012021), we get a palindrome (13043311334031).

The spelling of 12021001322010 in words is "twelve trillion, twenty-one billion, one million, three hundred twenty-two thousand, ten".