1201012143100 has 432 divisors, whose sum is σ = 3406244486400. Its totient is φ = 363242880000.

The previous prime is 1201012143053. The next prime is 1201012143131. The reversal of 1201012143100 is 13412101021.

It is a super-2 number, since 2×1201012143100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 439768735 + ... + 439771465.

It is an arithmetic number, because the mean of its divisors is an integer number (7884825200).

Almost surely, 2^{1201012143100} is an apocalyptic number.

1201012143100 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 1201012143100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1703122243200).

1201012143100 is an abundant number, since it is smaller than the sum of its proper divisors (2205232343300).

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

1201012143100 is a wasteful number, since it uses less digits than its factorization.

1201012143100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1201012143100 its reverse (13412101021), we get a palindrome (1214424244121).

The spelling of 1201012143100 in words is "one trillion, two hundred one billion, twelve million, one hundred forty-three thousand, one hundred".