1212001212201 has 32 divisors (see below), whose sum is σ = 1843358549760. Its totient is φ = 701715277824.

The previous prime is 1212001212199. The next prime is 1212001212223. The reversal of 1212001212201 is 1022121002121.

It is not a de Polignac number, because 1212001212201 - 2¹ = 1212001212199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212001212241) 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, 1474396 + ... + 2144258.

It is an arithmetic number, because the mean of its divisors is an integer number (57604954680).

Almost surely, 2^{1212001212201} is an apocalyptic number.

It is an amenable number.

1212001212201 is a deficient number, since it is larger than the sum of its proper divisors (631357337559).

1212001212201 is a wasteful number, since it uses less digits than its factorization.

1212001212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672625.

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

Adding to 1212001212201 its reverse (1022121002121), we get a palindrome (2234122214322).

The spelling of 1212001212201 in words is "one trillion, two hundred twelve billion, one million, two hundred twelve thousand, two hundred one".