1212120210201 has 16 divisors (see below), whose sum is σ = 1634969883648. Its totient is φ = 798729235200.

The previous prime is 1212120210187. The next prime is 1212120210211. The reversal of 1212120210201 is 1020120212121.

It is not a de Polignac number, because 1212120210201 - 2¹⁸ = 1212119948057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212120210211) 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, 6646960 + ... + 6826881.

It is an arithmetic number, because the mean of its divisors is an integer number (102185617728).

Almost surely, 2^{1212120210201} is an apocalyptic number.

It is an amenable number.

1212120210201 is a deficient number, since it is larger than the sum of its proper divisors (422849673447).

1212120210201 is a wasteful number, since it uses less digits than its factorization.

1212120210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13474192.

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

Adding to 1212120210201 its reverse (1020120212121), we get a palindrome (2232240422322).

The spelling of 1212120210201 in words is "one trillion, two hundred twelve billion, one hundred twenty million, two hundred ten thousand, two hundred one".