1012221201201 has 32 divisors (see below), whose sum is σ = 1546346327040. Its totient is φ = 576946079424.

The previous prime is 1012221201169. The next prime is 1012221201223. The reversal of 1012221201201 is 1021021222101.

It is not a de Polignac number, because 1012221201201 - 2⁵ = 1012221201169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012221201001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14421370 + ... + 14491388.

It is an arithmetic number, because the mean of its divisors is an integer number (48323322720).

Almost surely, 2^{1012221201201} is an apocalyptic number.

It is an amenable number.

1012221201201 is a deficient number, since it is larger than the sum of its proper divisors (534125125839).

1012221201201 is a wasteful number, since it uses less digits than its factorization.

1012221201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71765.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012221201201 its reverse (1021021222101), we get a palindrome (2033242423302).

The spelling of 1012221201201 in words is "one trillion, twelve billion, two hundred twenty-one million, two hundred one thousand, two hundred one".