1213342425454 has 32 divisors (see below), whose sum is σ = 1945909998144. Its totient is φ = 566011269120.

The previous prime is 1213342425439. The next prime is 1213342425461. The reversal of 1213342425454 is 4545242433121.

It is a super-2 number, since 2×1213342425454² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 8440242 + ... + 8582794.

It is an arithmetic number, because the mean of its divisors is an integer number (60809687442).

Almost surely, 2^{1213342425454} is an apocalyptic number.

1213342425454 is a deficient number, since it is larger than the sum of its proper divisors (732567572690).

1213342425454 is a wasteful number, since it uses less digits than its factorization.

1213342425454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147132.

The product of its digits is 460800, while the sum is 40.

Adding to 1213342425454 its reverse (4545242433121), we get a palindrome (5758584858575).

The spelling of 1213342425454 in words is "one trillion, two hundred thirteen billion, three hundred forty-two million, four hundred twenty-five thousand, four hundred fifty-four".