1222112553530 has 64 divisors (see below), whose sum is σ = 2426441609088. Its totient is φ = 439475343360.

The previous prime is 1222112553451. The next prime is 1222112553547. The reversal of 1222112553530 is 353552112221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13644974 + ... + 13734246.

It is an arithmetic number, because the mean of its divisors is an integer number (37913150142).

Almost surely, 2^{1222112553530} is an apocalyptic number.

1222112553530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222112553530 is a deficient number, since it is larger than the sum of its proper divisors (1204329055558).

1222112553530 is a wasteful number, since it uses less digits than its factorization.

1222112553530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90671.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 1222112553530 its reverse (353552112221), we get a palindrome (1575664665751).

The spelling of 1222112553530 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, five hundred fifty-three thousand, five hundred thirty".