1212140503140 has 96 divisors (see below), whose sum is σ = 3908459326464. Its totient is φ = 274945706880.

The previous prime is 1212140503121. The next prime is 1212140503157. The reversal of 1212140503140 is 413050412121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212140503140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10960434 + ... + 11070473.

It is an arithmetic number, because the mean of its divisors is an integer number (40713117984).

Almost surely, 2^{1212140503140} is an apocalyptic number.

1212140503140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212140503140 is an abundant number, since it is smaller than the sum of its proper divisors (2696318823324).

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

1212140503140 is a wasteful number, since it uses less digits than its factorization.

1212140503140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22031057 (or 22031055 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 1212140503140 its reverse (413050412121), we get a palindrome (1625190915261).

The spelling of 1212140503140 in words is "one trillion, two hundred twelve billion, one hundred forty million, five hundred three thousand, one hundred forty".