1021310004500 has 48 divisors (see below), whose sum is σ = 2235839707920. Its totient is φ = 407553552000.

The previous prime is 1021310004497. The next prime is 1021310004503. The reversal of 1021310004500 is 54000131201.

It is an interprime number because it is at equal distance from previous prime (1021310004497) and next prime (1021310004503).

It can be written as a sum of positive squares in 8 ways, for example, as 321858790276 + 699451214224 = 567326^2 + 836332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021310004503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2215415 + ... + 2636414.

It is an arithmetic number, because the mean of its divisors is an integer number (46579993915).

Almost surely, 2^{1021310004500} is an apocalyptic number.

1021310004500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021310004500 is an abundant number, since it is smaller than the sum of its proper divisors (1214529703420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021310004500 is a wasteful number, since it uses less digits than its factorization.

1021310004500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852269 (or 4852257 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 1021310004500 its reverse (54000131201), we get a palindrome (1075310135701).

The spelling of 1021310004500 in words is "one trillion, twenty-one billion, three hundred ten million, four thousand, five hundred".