1213290000826 has 16 divisors (see below), whose sum is σ = 1821455589888. Its totient is φ = 606138349600.

The previous prime is 1213290000787. The next prime is 1213290000859. The reversal of 1213290000826 is 6280000923121.

It is a super-2 number, since 2×1213290000826² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213290000791 and 1213290000800.

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, 11952606 + ... + 12053686.

It is an arithmetic number, because the mean of its divisors is an integer number (113840974368).

Almost surely, 2^{1213290000826} is an apocalyptic number.

1213290000826 is a deficient number, since it is larger than the sum of its proper divisors (608165589062).

1213290000826 is a wasteful number, since it uses less digits than its factorization.

1213290000826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106037.

The product of its (nonzero) digits is 10368, while the sum is 34.

Adding to 1213290000826 its reverse (6280000923121), we get a palindrome (7493290923947).

The spelling of 1213290000826 in words is "one trillion, two hundred thirteen billion, two hundred ninety million, eight hundred twenty-six", and thus it is an aban number.