1200122010300 has 72 divisors (see below), whose sum is σ = 3489979345776. Its totient is φ = 318407989760.

The previous prime is 1200122010277. The next prime is 1200122010301. The reversal of 1200122010300 is 30102210021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200122010301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10094217 + ... + 10212416.

It is an arithmetic number, because the mean of its divisors is an integer number (48471935358).

Almost surely, 2^{1200122010300} is an apocalyptic number.

1200122010300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200122010300 is an abundant number, since it is smaller than the sum of its proper divisors (2289857335476).

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

1200122010300 is a wasteful number, since it uses less digits than its factorization.

1200122010300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20306847 (or 20306840 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1200122010300 its reverse (30102210021), we get a palindrome (1230224220321).

It can be divided in two parts, 120012 and 2010300, that added together give a palindrome (2130312).

The spelling of 1200122010300 in words is "one trillion, two hundred billion, one hundred twenty-two million, ten thousand, three hundred".