1220312001010 has 16 divisors (see below), whose sum is σ = 2197090077336. Its totient is φ = 488007361408.

The previous prime is 1220312000993. The next prime is 1220312001047. The reversal of 1220312001010 is 101002130221.

It can be written as a sum of positive squares in 4 ways, for example, as 989394270489 + 230917730521 = 994683^2 + 480539^2 .

It is a super-2 number, since 2×1220312001010² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14636227 + ... + 14719366.

Almost surely, 2^{1220312001010} is an apocalyptic number.

1220312001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220312001010 is a deficient number, since it is larger than the sum of its proper divisors (976778076326).

1220312001010 is a wasteful number, since it uses less digits than its factorization.

1220312001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29359757.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1220312001010 its reverse (101002130221), we get a palindrome (1321314131231).

The spelling of 1220312001010 in words is "one trillion, two hundred twenty billion, three hundred twelve million, one thousand, ten".