1201100134212 has 96 divisors (see below), whose sum is σ = 3414295463040. Its totient is φ = 362122104960.

The previous prime is 1201100134163. The next prime is 1201100134217. The reversal of 1201100134212 is 2124310011021.

1201100134212 is a `hidden beast` number, since 120 + 110 + 0 + 13 + 421 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1201100134217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2332023 + ... + 2800094.

It is an arithmetic number, because the mean of its divisors is an integer number (35565577740).

Almost surely, 2^{1201100134212} is an apocalyptic number.

1201100134212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201100134212 is an abundant number, since it is smaller than the sum of its proper divisors (2213195328828).

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

1201100134212 is a wasteful number, since it uses less digits than its factorization.

1201100134212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132338 (or 5132330 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1201100134212 its reverse (2124310011021), we get a palindrome (3325410145233).

The spelling of 1201100134212 in words is "one trillion, two hundred one billion, one hundred million, one hundred thirty-four thousand, two hundred twelve".