1216360642010 has 32 divisors (see below), whose sum is σ = 2203153722000. Its totient is φ = 483501477888.

The previous prime is 1216360642009. The next prime is 1216360642027. The reversal of 1216360642010 is 102460636121.

It can be written as a sum of positive squares in 8 ways, for example, as 512998305121 + 703362336889 = 716239^2 + 838667^2 .

It is a super-3 number, since 3×1216360642010³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 3489116 + ... + 3821864.

Almost surely, 2^{1216360642010} is an apocalyptic number.

1216360642010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1216360642010 is a deficient number, since it is larger than the sum of its proper divisors (986793079990).

1216360642010 is a wasteful number, since it uses less digits than its factorization.

1216360642010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335042.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 1216360642010 in words is "one trillion, two hundred sixteen billion, three hundred sixty million, six hundred forty-two thousand, ten".