1213233530534 has 8 divisors (see below), whose sum is σ = 1821097627320. Its totient is φ = 606200988096.

The previous prime is 1213233530527. The next prime is 1213233530543. The reversal of 1213233530534 is 4350353323121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1213233530534² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213233530494 and 1213233530503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207884939 + ... + 207890774.

It is an arithmetic number, because the mean of its divisors is an integer number (227637203415).

Almost surely, 2^{1213233530534} is an apocalyptic number.

1213233530534 is a deficient number, since it is larger than the sum of its proper divisors (607864096786).

1213233530534 is a wasteful number, since it uses less digits than its factorization.

1213233530534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415777174.

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 1213233530534 its reverse (4350353323121), we get a palindrome (5563586853655).

The spelling of 1213233530534 in words is "one trillion, two hundred thirteen billion, two hundred thirty-three million, five hundred thirty thousand, five hundred thirty-four".