12234420042100 has 36 divisors (see below), whose sum is σ = 26555487499744. Its totient is φ = 4892515296480.

The previous prime is 12234420042037. The next prime is 12234420042107. The reversal of 12234420042100 is 124002443221.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12234420042107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15266352 + ... + 16047751.

Almost surely, 2^{12234420042100} is an apocalyptic number.

12234420042100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12234420042100 is an abundant number, since it is smaller than the sum of its proper divisors (14321067457644).

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

12234420042100 is a wasteful number, since it uses less digits than its factorization.

12234420042100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31318024 (or 31318017 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12234420042100 its reverse (124002443221), we get a palindrome (12358422485321).

The spelling of 12234420042100 in words is "twelve trillion, two hundred thirty-four billion, four hundred twenty million, forty-two thousand, one hundred".