1012262261530 has 16 divisors (see below), whose sum is σ = 1962231461064. Its totient is φ = 373758373440.

The previous prime is 1012262261513. The next prime is 1012262261539. The reversal of 1012262261530 is 351622622101.

It can be written as a sum of positive squares in 4 ways, for example, as 516856031329 + 495406230201 = 718927^2 + 703851^2 .

It is a super-2 number, since 2×1012262261530² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012262261492 and 1012262261501.

It is not an unprimeable number, because it can be changed into a prime (1012262261539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3893316261 + ... + 3893316520.

Almost surely, 2^{1012262261530} is an apocalyptic number.

1012262261530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012262261530 is a deficient number, since it is larger than the sum of its proper divisors (949969199534).

1012262261530 is a wasteful number, since it uses less digits than its factorization.

1012262261530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786632801.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 1012262261530 its reverse (351622622101), we get a palindrome (1363884883631).

The spelling of 1012262261530 in words is "one trillion, twelve billion, two hundred sixty-two million, two hundred sixty-one thousand, five hundred thirty".