1213260355434 has 16 divisors (see below), whose sum is σ = 2569257223488. Its totient is φ = 380630699712.

The previous prime is 1213260355399. The next prime is 1213260355469. The reversal of 1213260355434 is 4345530623121.

It is an interprime number because it is at equal distance from previous prime (1213260355399) and next prime (1213260355469).

It is a junction number, because it is equal to n+sod(n) for n = 1213260355392 and 1213260355401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5947354582 + ... + 5947354785.

It is an arithmetic number, because the mean of its divisors is an integer number (160578576468).

Almost surely, 2^{1213260355434} is an apocalyptic number.

1213260355434 is an abundant number, since it is smaller than the sum of its proper divisors (1355996868054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213260355434 is a wasteful number, since it uses less digits than its factorization.

1213260355434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11894709389.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 1213260355434 its reverse (4345530623121), we get a palindrome (5558790978555).

The spelling of 1213260355434 in words is "one trillion, two hundred thirteen billion, two hundred sixty million, three hundred fifty-five thousand, four hundred thirty-four".