124020400202400 has 288 divisors, whose sum is σ = 443988978386688. Its totient is φ = 29878564147200.

The previous prime is 124020400202399. The next prime is 124020400202429. The reversal of 124020400202400 is 4202004020421.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40820971 + ... + 43753770.

It is an arithmetic number, because the mean of its divisors is an integer number (1541628397176).

Almost surely, 2^{124020400202400} is an apocalyptic number.

124020400202400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124020400202400 is an abundant number, since it is smaller than the sum of its proper divisors (319968578184288).

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

124020400202400 is a wasteful number, since it uses less digits than its factorization.

124020400202400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84574824 (or 84574811 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 124020400202400 its reverse (4202004020421), we get a palindrome (128222404222821).

The spelling of 124020400202400 in words is "one hundred twenty-four trillion, twenty billion, four hundred million, two hundred two thousand, four hundred".