1212210020201 has 16 divisors (see below), whose sum is σ = 1331554621440. Its totient is φ = 1098424728720.

The previous prime is 1212210020171. The next prime is 1212210020207. The reversal of 1212210020201 is 1020200122121.

It is a cyclic number.

It is not a de Polignac number, because 1212210020201 - 2⁶ = 1212210020137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212210020207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10844486 + ... + 10955696.

It is an arithmetic number, because the mean of its divisors is an integer number (83222163840).

Almost surely, 2^{1212210020201} is an apocalyptic number.

It is an amenable number.

1212210020201 is a deficient number, since it is larger than the sum of its proper divisors (119344601239).

1212210020201 is a wasteful number, since it uses less digits than its factorization.

1212210020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136196.

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

Adding to 1212210020201 its reverse (1020200122121), we get a palindrome (2232410142322).

The spelling of 1212210020201 in words is "one trillion, two hundred twelve billion, two hundred ten million, twenty thousand, two hundred one".