2201021001212 has 24 divisors (see below), whose sum is σ = 4207681782192. Its totient is φ = 999099187200.

The previous prime is 2201021001199. The next prime is 2201021001239. The reversal of 2201021001212 is 2121001201022.

It is a congruent number.

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, 34089989 + ... + 34154492.

It is an arithmetic number, because the mean of its divisors is an integer number (175320074258).

Almost surely, 2^{2201021001212} is an apocalyptic number.

2201021001212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2201021001212 is a deficient number, since it is larger than the sum of its proper divisors (2006660780980).

2201021001212 is a wasteful number, since it uses less digits than its factorization.

2201021001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68245229 (or 68245227 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201021001212 its reverse (2121001201022), we get a palindrome (4322022202234).

The spelling of 2201021001212 in words is "two trillion, two hundred one billion, twenty-one million, one thousand, two hundred twelve".