1223300220990 has 32 divisors (see below), whose sum is σ = 3063569250816. Its totient is φ = 312030201120.

The previous prime is 1223300220973. The next prime is 1223300220991. The reversal of 1223300220990 is 990220033221.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223300220991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886448746 + ... + 886450125.

It is an arithmetic number, because the mean of its divisors is an integer number (95736539088).

Almost surely, 2^{1223300220990} is an apocalyptic number.

1223300220990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223300220990 is an abundant number, since it is smaller than the sum of its proper divisors (1840269029826).

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

1223300220990 is a wasteful number, since it uses less digits than its factorization.

1223300220990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772898904.

The product of its (nonzero) digits is 11664, while the sum is 33.

The spelling of 1223300220990 in words is "one trillion, two hundred twenty-three billion, three hundred million, two hundred twenty thousand, nine hundred ninety".