100202123040 has 48 divisors (see below), whose sum is σ = 315636689088. Its totient is φ = 26720566016.

The previous prime is 100202123017. The next prime is 100202123051. The reversal of 100202123040 is 40321202001.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104376732 + ... + 104377691.

It is an arithmetic number, because the mean of its divisors is an integer number (6575764356).

Almost surely, 2^100202123040 is an apocalyptic number.

100202123040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100202123040 is an abundant number, since it is smaller than the sum of its proper divisors (215434566048).

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

100202123040 is a wasteful number, since it uses less digits than its factorization.

100202123040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208754441 (or 208754433 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 100202123040 its reverse (40321202001), we get a palindrome (140523325041).

The spelling of 100202123040 in words is "one hundred billion, two hundred two million, one hundred twenty-three thousand, forty".