1200409225420 has 12 divisors (see below), whose sum is σ = 2520859373424. Its totient is φ = 480163690160.

The previous prime is 1200409225417. The next prime is 1200409225429. The reversal of 1200409225420 is 245229040021.

It is a super-3 number, since 3×1200409225420³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200409225429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30010230616 + ... + 30010230655.

It is an arithmetic number, because the mean of its divisors is an integer number (210071614452).

Almost surely, 2^{1200409225420} is an apocalyptic number.

1200409225420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200409225420 is an abundant number, since it is smaller than the sum of its proper divisors (1320450148004).

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

1200409225420 is a wasteful number, since it uses less digits than its factorization.

1200409225420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60020461280 (or 60020461278 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 1200409225420 in words is "one trillion, two hundred billion, four hundred nine million, two hundred twenty-five thousand, four hundred twenty".