1021310113412 has 12 divisors (see below), whose sum is σ = 1787848298460. Its totient is φ = 510496313856.

The previous prime is 1021310113363. The next prime is 1021310113423. The reversal of 1021310113412 is 2143110131201.

It can be written as a sum of positive squares in 2 ways, for example, as 976507617856 + 44802495556 = 988184^2 + 211666^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39671237 + ... + 39696972.

It is an arithmetic number, because the mean of its divisors is an integer number (148987358205).

Almost surely, 2^{1021310113412} is an apocalyptic number.

It is an amenable number.

1021310113412 is a deficient number, since it is larger than the sum of its proper divisors (766538185048).

1021310113412 is a wasteful number, since it uses less digits than its factorization.

1021310113412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79371430 (or 79371428 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1021310113412 its reverse (2143110131201), we get a palindrome (3164420244613).

The spelling of 1021310113412 in words is "one trillion, twenty-one billion, three hundred ten million, one hundred thirteen thousand, four hundred twelve".