1212330267530 has 16 divisors (see below), whose sum is σ = 2182220373600. Its totient is φ = 484926353232.

The previous prime is 1212330267529. The next prime is 1212330267569. The reversal of 1212330267530 is 357620332121.

It is a super-2 number, since 2×1212330267530² (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, 224717 + ... + 1573263.

It is an arithmetic number, because the mean of its divisors is an integer number (136388773350).

Almost surely, 2^{1212330267530} is an apocalyptic number.

1212330267530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212330267530 is a deficient number, since it is larger than the sum of its proper divisors (969890106070).

1212330267530 is a wasteful number, since it uses less digits than its factorization.

1212330267530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438453.

The product of its (nonzero) digits is 45360, while the sum is 35.

Adding to 1212330267530 its reverse (357620332121), we get a palindrome (1569950599651).

The spelling of 1212330267530 in words is "one trillion, two hundred twelve billion, three hundred thirty million, two hundred sixty-seven thousand, five hundred thirty".