1200402414420 has 192 divisors, whose sum is σ = 3705336472320. Its totient is φ = 287942656000.

The previous prime is 1200402414391. The next prime is 1200402414451. The reversal of 1200402414420 is 244142040021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125915974 + ... + 125925506.

It is an arithmetic number, because the mean of its divisors is an integer number (19298627460).

Almost surely, 2^{1200402414420} is an apocalyptic number.

1200402414420 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 1200402414420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852668236160).

1200402414420 is an abundant number, since it is smaller than the sum of its proper divisors (2504934057900).

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

1200402414420 is a wasteful number, since it uses less digits than its factorization.

1200402414420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11546 (or 11544 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 1200402414420 its reverse (244142040021), we get a palindrome (1444544454441).

The spelling of 1200402414420 in words is "one trillion, two hundred billion, four hundred two million, four hundred fourteen thousand, four hundred twenty".