1204124204140 has 96 divisors (see below), whose sum is σ = 2977099017984. Its totient is φ = 403315618560.

The previous prime is 1204124204131. The next prime is 1204124204159. The reversal of 1204124204140 is 414024214021.

It is a happy number.

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, 884847 + ... + 1786393.

It is an arithmetic number, because the mean of its divisors is an integer number (31011448104).

Almost surely, 2^{1204124204140} is an apocalyptic number.

1204124204140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204124204140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488549508992).

1204124204140 is an abundant number, since it is smaller than the sum of its proper divisors (1772974813844).

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

1204124204140 is a wasteful number, since it uses less digits than its factorization.

1204124204140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902047 (or 902045 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 1204124204140 its reverse (414024214021), we get a palindrome (1618148418161).

The spelling of 1204124204140 in words is "one trillion, two hundred four billion, one hundred twenty-four million, two hundred four thousand, one hundred forty".