1021000313012 has 6 divisors (see below), whose sum is σ = 1786750547778. Its totient is φ = 510500156504.

The previous prime is 1021000312991. The next prime is 1021000313033. The reversal of 1021000313012 is 2103130001201.

It is an interprime number because it is at equal distance from previous prime (1021000312991) and next prime (1021000313033).

It can be written as a sum of positive squares in only one way, i.e., 773070011536 + 247930301476 = 879244^2 + 497926^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127625039123 + ... + 127625039130.

It is an arithmetic number, because the mean of its divisors is an integer number (297791757963).

Almost surely, 2^{1021000313012} is an apocalyptic number.

It is an amenable number.

1021000313012 is a deficient number, since it is larger than the sum of its proper divisors (765750234766).

1021000313012 is a wasteful number, since it uses less digits than its factorization.

1021000313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255250078257 (or 255250078255 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1021000313012 its reverse (2103130001201), we get a palindrome (3124130314213).

The spelling of 1021000313012 in words is "one trillion, twenty-one billion, three hundred thirteen thousand, twelve".