201212220211010 has 8 divisors (see below), whose sum is σ = 362181996379836. Its totient is φ = 80484888084400.

The previous prime is 201212220210973. The next prime is 201212220211033. The reversal of 201212220211010 is 10112022212102.

It can be written as a sum of positive squares in 2 ways, for example, as 192067529298649 + 9144690912361 = 13858843^2 + 3024019^2 .

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

It is a super-2 number, since 2×201212220211010² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201212220211010.

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, 10060611010541 + ... + 10060611010560.

Almost surely, 2^{201212220211010} is an apocalyptic number.

201212220211010 is a deficient number, since it is larger than the sum of its proper divisors (160969776168826).

201212220211010 is a wasteful number, since it uses less digits than its factorization.

201212220211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20121222021108.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201212220211010 its reverse (10112022212102), we get a palindrome (211324242423112).

The spelling of 201212220211010 in words is "two hundred one trillion, two hundred twelve billion, two hundred twenty million, two hundred eleven thousand, ten".