1212142301140 has 24 divisors (see below), whose sum is σ = 2656172695680. Its totient is φ = 463776184608.

The previous prime is 1212142301101. The next prime is 1212142301159. The reversal of 1212142301140 is 411032412121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1317545520 + ... + 1317546439.

It is an arithmetic number, because the mean of its divisors is an integer number (110673862320).

Almost surely, 2^{1212142301140} is an apocalyptic number.

1212142301140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212142301140 is an abundant number, since it is smaller than the sum of its proper divisors (1444030394540).

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

1212142301140 is a wasteful number, since it uses less digits than its factorization.

1212142301140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635091991 (or 2635091989 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1212142301140 its reverse (411032412121), we get a palindrome (1623174713261).

The spelling of 1212142301140 in words is "one trillion, two hundred twelve billion, one hundred forty-two million, three hundred one thousand, one hundred forty".