1220968452552 has 64 divisors (see below), whose sum is σ = 3058413940800. Its totient is φ = 406190776320.

The previous prime is 1220968452511. The next prime is 1220968452569. The reversal of 1220968452552 is 2552548690221.

It is a junction number, because it is equal to n+sod(n) for n = 1220968452495 and 1220968452504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87637027 + ... + 87650957.

It is an arithmetic number, because the mean of its divisors is an integer number (47787717825).

Almost surely, 2^{1220968452552} is an apocalyptic number.

1220968452552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220968452552 is an abundant number, since it is smaller than the sum of its proper divisors (1837445488248).

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

1220968452552 is a wasteful number, since it uses less digits than its factorization.

1220968452552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20846 (or 20842 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 1220968452552 in words is "one trillion, two hundred twenty billion, nine hundred sixty-eight million, four hundred fifty-two thousand, five hundred fifty-two".