121143041300 has 72 divisors (see below), whose sum is σ = 264366855480. Its totient is φ = 48184012800.

The previous prime is 121143041291. The next prime is 121143041303. The reversal of 121143041300 is 3140341121.

It can be written as a sum of positive squares in 12 ways, for example, as 23171537284 + 97971504016 = 152222^2 + 313004^2 .

It is a super-3 number, since 3×121143041300³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121143041303) 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, 13104680 + ... + 13113920.

Almost surely, 2^121143041300 is an apocalyptic number.

121143041300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121143041300 is an abundant number, since it is smaller than the sum of its proper divisors (143223814180).

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

121143041300 is a wasteful number, since it uses less digits than its factorization.

121143041300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9981 (or 9974 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121143041300 its reverse (3140341121), we get a palindrome (124283382421).

The spelling of 121143041300 in words is "one hundred twenty-one billion, one hundred forty-three million, forty-one thousand, three hundred".