1223222131010 has 48 divisors (see below), whose sum is σ = 2433681028800. Its totient is φ = 442323008160.

The previous prime is 1223222131003. The next prime is 1223222131057. The reversal of 1223222131010 is 101312223221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2607230 + ... + 3040409.

It is an arithmetic number, because the mean of its divisors is an integer number (50701688100).

Almost surely, 2^{1223222131010} is an apocalyptic number.

1223222131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223222131010 is a deficient number, since it is larger than the sum of its proper divisors (1210458897790).

1223222131010 is a wasteful number, since it uses less digits than its factorization.

1223222131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647847 (or 5647836 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1223222131010 its reverse (101312223221), we get a palindrome (1324534354231).

The spelling of 1223222131010 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-two million, one hundred thirty-one thousand, ten".