1243014552120 has 64 divisors (see below), whose sum is σ = 4068047629440. Its totient is φ = 301336860800.

The previous prime is 1243014552119. The next prime is 1243014552209. The reversal of 1243014552120 is 212554103421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 470837526 + ... + 470840165.

It is an arithmetic number, because the mean of its divisors is an integer number (63563244210).

Almost surely, 2^{1243014552120} is an apocalyptic number.

1243014552120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243014552120 is an abundant number, since it is smaller than the sum of its proper divisors (2825033077320).

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

1243014552120 is a wasteful number, since it uses less digits than its factorization.

1243014552120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941677716 (or 941677712 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1243014552120 its reverse (212554103421), we get a palindrome (1455568655541).

The spelling of 1243014552120 in words is "one trillion, two hundred forty-three billion, fourteen million, five hundred fifty-two thousand, one hundred twenty".