121203100130 has 32 divisors (see below), whose sum is σ = 249700478976. Its totient is φ = 41493950784.

The previous prime is 121203100079. The next prime is 121203100133. The reversal of 121203100130 is 31001302121.

It is a super-2 number, since 2×121203100130² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (121203100133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231394 + ... + 1326173.

It is an arithmetic number, because the mean of its divisors is an integer number (7803139968).

Almost surely, 2^121203100130 is an apocalyptic number.

121203100130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121203100130 is an abundant number, since it is smaller than the sum of its proper divisors (128497378846).

121203100130 is a wasteful number, since it uses less digits than its factorization.

121203100130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558258.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121203100130 its reverse (31001302121), we get a palindrome (152204402251).

The spelling of 121203100130 in words is "one hundred twenty-one billion, two hundred three million, one hundred thousand, one hundred thirty".