1218147243610 has 16 divisors (see below), whose sum is σ = 2391998224032. Its totient is φ = 442962634000.

The previous prime is 1218147243589. The next prime is 1218147243611. The reversal of 1218147243610 is 163427418121.

It is a super-2 number, since 2×1218147243610² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1218147243611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5537032816 + ... + 5537033035.

It is an arithmetic number, because the mean of its divisors is an integer number (149499889002).

Almost surely, 2^{1218147243610} is an apocalyptic number.

1218147243610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1218147243610 is a deficient number, since it is larger than the sum of its proper divisors (1173850980422).

1218147243610 is a wasteful number, since it uses less digits than its factorization.

1218147243610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11074065869.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 1218147243610 in words is "one trillion, two hundred eighteen billion, one hundred forty-seven million, two hundred forty-three thousand, six hundred ten".