1212010220001 has 192 divisors, whose sum is σ = 2124828672000. Its totient is φ = 609851773440.

The previous prime is 1212010219961. The next prime is 1212010220017. The reversal of 1212010220001 is 1000220102121.

It is not a de Polignac number, because 1212010220001 - 2¹⁴ = 1212010203617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212010220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 253079715 + ... + 253084503.

It is an arithmetic number, because the mean of its divisors is an integer number (11066816000).

Almost surely, 2^{1212010220001} is an apocalyptic number.

It is an amenable number.

1212010220001 is a deficient number, since it is larger than the sum of its proper divisors (912818451999).

1212010220001 is a wasteful number, since it uses less digits than its factorization.

1212010220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972 (or 4965 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1212010220001 its reverse (1000220102121), we get a palindrome (2212230322122).

The spelling of 1212010220001 in words is "one trillion, two hundred twelve billion, ten million, two hundred twenty thousand, one".