1211020514344 has 16 divisors (see below), whose sum is σ = 2271903613920. Its totient is φ = 605179550640.

The previous prime is 1211020514329. The next prime is 1211020514359. The reversal of 1211020514344 is 4434150201121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1211020514329) and next prime (1211020514359).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41322754 + ... + 41352049.

It is an arithmetic number, because the mean of its divisors is an integer number (141993975870).

Almost surely, 2^{1211020514344} is an apocalyptic number.

It is an amenable number.

1211020514344 is a deficient number, since it is larger than the sum of its proper divisors (1060883099576).

1211020514344 is a wasteful number, since it uses less digits than its factorization.

1211020514344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82676640 (or 82676636 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 1211020514344 its reverse (4434150201121), we get a palindrome (5645170715465).

The spelling of 1211020514344 in words is "one trillion, two hundred eleven billion, twenty million, five hundred fourteen thousand, three hundred forty-four".