1220312130434 has 32 divisors (see below), whose sum is σ = 1874544799104. Its totient is φ = 595588331520.

The previous prime is 1220312130431. The next prime is 1220312130463. The reversal of 1220312130434 is 4340312130221.

It is not an unprimeable number, because it can be changed into a prime (1220312130431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19196987 + ... + 19260449.

It is an arithmetic number, because the mean of its divisors is an integer number (58579524972).

Almost surely, 2^{1220312130434} is an apocalyptic number.

1220312130434 is a deficient number, since it is larger than the sum of its proper divisors (654232668670).

1220312130434 is a wasteful number, since it uses less digits than its factorization.

1220312130434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64442.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1220312130434 its reverse (4340312130221), we get a palindrome (5560624260655).

The spelling of 1220312130434 in words is "one trillion, two hundred twenty billion, three hundred twelve million, one hundred thirty thousand, four hundred thirty-four".