1229098964828 has 24 divisors (see below), whose sum is σ = 2480750210400. Its totient is φ = 521924067648.

The previous prime is 1229098964801. The next prime is 1229098964831. The reversal of 1229098964828 is 8284698909221.

It is a super-2 number, since 2×1229098964828² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201356543 + ... + 201362646.

It is an arithmetic number, because the mean of its divisors is an integer number (103364592100).

Almost surely, 2^{1229098964828} is an apocalyptic number.

It is an amenable number.

1229098964828 is an abundant number, since it is smaller than the sum of its proper divisors (1251651245572).

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

1229098964828 is a wasteful number, since it uses less digits than its factorization.

1229098964828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402719309 (or 402719307 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 68.

The spelling of 1229098964828 in words is "one trillion, two hundred twenty-nine billion, ninety-eight million, nine hundred sixty-four thousand, eight hundred twenty-eight".