1201224011530 has 32 divisors (see below), whose sum is σ = 2199215165184. Its totient is φ = 472295710656.

The previous prime is 1201224011527. The next prime is 1201224011591. The reversal of 1201224011530 is 351104221021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1625937 + ... + 2246356.

It is an arithmetic number, because the mean of its divisors is an integer number (68725473912).

Almost surely, 2^{1201224011530} is an apocalyptic number.

1201224011530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201224011530 is a deficient number, since it is larger than the sum of its proper divisors (997991153654).

1201224011530 is a wasteful number, since it uses less digits than its factorization.

1201224011530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872830.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1201224011530 its reverse (351104221021), we get a palindrome (1552328232551).

The spelling of 1201224011530 in words is "one trillion, two hundred one billion, two hundred twenty-four million, eleven thousand, five hundred thirty".