1223611752960 has 120 divisors (see below), whose sum is σ = 4237711721100. Its totient is φ = 326296461312.

The previous prime is 1223611752959. The next prime is 1223611753019. The reversal of 1223611752960 is 692571163221.

1223611752960 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 6 + 117 + 529 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1192359170304 + 31252582656 = 1091952^2 + 176784^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26531035 + ... + 26577114.

Almost surely, 2^{1223611752960} is an apocalyptic number.

1223611752960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223611752960 is an abundant number, since it is smaller than the sum of its proper divisors (3014099968140).

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

1223611752960 is an equidigital number, since it uses as much as digits as its factorization.

1223611752960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53108178 (or 53108159 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 1223611752960 in words is "one trillion, two hundred twenty-three billion, six hundred eleven million, seven hundred fifty-two thousand, nine hundred sixty".