1202012012311 has 16 divisors (see below), whose sum is σ = 1324842674688. Its totient is φ = 1081454061600.

The previous prime is 1202012012293. The next prime is 1202012012323. The reversal of 1202012012311 is 1132102102021.

It is a de Polignac number, because none of the positive numbers 2^k-1202012012311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202012016311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1490641 + ... + 2150821.

It is an arithmetic number, because the mean of its divisors is an integer number (82802667168).

Almost surely, 2^{1202012012311} is an apocalyptic number.

1202012012311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202012012311 is a deficient number, since it is larger than the sum of its proper divisors (122830662377).

1202012012311 is a wasteful number, since it uses less digits than its factorization.

1202012012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661902.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1202012012311 its reverse (1132102102021), we get a palindrome (2334114114332).

The spelling of 1202012012311 in words is "one trillion, two hundred two billion, twelve million, twelve thousand, three hundred eleven".