1211012001202 has 16 divisors (see below), whose sum is σ = 1860180595200. Its totient is φ = 591124042080.

The previous prime is 1211012001187. The next prime is 1211012001217. The reversal of 1211012001202 is 2021002101121.

It is an interprime number because it is at equal distance from previous prime (1211012001187) and next prime (1211012001217).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43045674 + ... + 43073797.

It is an arithmetic number, because the mean of its divisors is an integer number (116261287200).

Almost surely, 2^{1211012001202} is an apocalyptic number.

1211012001202 is a deficient number, since it is larger than the sum of its proper divisors (649168593998).

1211012001202 is an equidigital number, since it uses as much as digits as its factorization.

1211012001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86119641.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1211012001202 its reverse (2021002101121), we get a palindrome (3232014102323).

The spelling of 1211012001202 in words is "one trillion, two hundred eleven billion, twelve million, one thousand, two hundred two".