1211560046120 has 16 divisors (see below), whose sum is σ = 2726010103860. Its totient is φ = 484624018432.

The previous prime is 1211560046111. The next prime is 1211560046167. The reversal of 1211560046120 is 216400651121.

It can be written as a sum of positive squares in 2 ways, for example, as 1211412812164 + 147233956 = 1100642^2 + 12134^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15144500537 + ... + 15144500616.

Almost surely, 2^{1211560046120} is an apocalyptic number.

1211560046120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211560046120 is an abundant number, since it is smaller than the sum of its proper divisors (1514450057740).

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

1211560046120 is a wasteful number, since it uses less digits than its factorization.

1211560046120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30289001164 (or 30289001160 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 1211560046120 its reverse (216400651121), we get a palindrome (1427960697241).

The spelling of 1211560046120 in words is "one trillion, two hundred eleven billion, five hundred sixty million, forty-six thousand, one hundred twenty".