1212001111202 has 16 divisors (see below), whose sum is σ = 2098287640512. Its totient is φ = 514286185200.

The previous prime is 1212001111171. The next prime is 1212001111219. The reversal of 1212001111202 is 2021111002121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 428570408 + ... + 428573235.

It is an arithmetic number, because the mean of its divisors is an integer number (131142977532).

Almost surely, 2^{1212001111202} is an apocalyptic number.

1212001111202 is a deficient number, since it is larger than the sum of its proper divisors (886286529310).

1212001111202 is a wasteful number, since it uses less digits than its factorization.

1212001111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857143753.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212001111202 its reverse (2021111002121), we get a palindrome (3233112113323).

The spelling of 1212001111202 in words is "one trillion, two hundred twelve billion, one million, one hundred eleven thousand, two hundred two".