1221430602098 has 64 divisors (see below), whose sum is σ = 2173353984000. Its totient is φ = 504085982400.

The previous prime is 1221430602079. The next prime is 1221430602109. The reversal of 1221430602098 is 8902060341221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7402703 + ... + 7565901.

It is an arithmetic number, because the mean of its divisors is an integer number (33958656000).

Almost surely, 2^{1221430602098} is an apocalyptic number.

1221430602098 is a deficient number, since it is larger than the sum of its proper divisors (951923381902).

1221430602098 is a wasteful number, since it uses less digits than its factorization.

1221430602098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163455.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 1221430602098 in words is "one trillion, two hundred twenty-one billion, four hundred thirty million, six hundred two thousand, ninety-eight".