1220134011244 has 12 divisors (see below), whose sum is σ = 2137658174568. Its totient is φ = 609374532800.

The previous prime is 1220134011193. The next prime is 1220134011247. The reversal of 1220134011244 is 4421104310221.

It is not an unprimeable number, because it can be changed into a prime (1220134011247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173114242 + ... + 173121289.

It is an arithmetic number, because the mean of its divisors is an integer number (178138181214).

Almost surely, 2^{1220134011244} is an apocalyptic number.

It is an amenable number.

1220134011244 is a deficient number, since it is larger than the sum of its proper divisors (917524163324).

1220134011244 is a wasteful number, since it uses less digits than its factorization.

1220134011244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346236416 (or 346236414 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1220134011244 its reverse (4421104310221), we get a palindrome (5641238321465).

The spelling of 1220134011244 in words is "one trillion, two hundred twenty billion, one hundred thirty-four million, eleven thousand, two hundred forty-four".