1229159309706 has 16 divisors (see below), whose sum is σ = 2731465132800. Its totient is φ = 409719769884.

The previous prime is 1229159309621. The next prime is 1229159309711. The reversal of 1229159309706 is 6079039519221.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 22762209439 = 1229159309706 / (1 + 2 + 2 + 9 + 1 + 5 + 9 + 3 + 0 + 9 + 7 + 0 + 6).

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, 11381104666 + ... + 11381104773.

It is an arithmetic number, because the mean of its divisors is an integer number (170716570800).

Almost surely, 2^{1229159309706} is an apocalyptic number.

1229159309706 is an abundant number, since it is smaller than the sum of its proper divisors (1502305823094).

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

1229159309706 is a wasteful number, since it uses less digits than its factorization.

1229159309706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22762209450 (or 22762209444 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 1229159309706 in words is "one trillion, two hundred twenty-nine billion, one hundred fifty-nine million, three hundred nine thousand, seven hundred six".