121213033130 has 48 divisors (see below), whose sum is σ = 254894781960. Its totient is φ = 41380351488.

The previous prime is 121213033103. The next prime is 121213033147. The reversal of 121213033130 is 31330312121.

121213033130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 35438439001 + 85774594129 = 188251^2 + 292873^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416675 + ... + 645014.

Almost surely, 2^121213033130 is an apocalyptic number.

121213033130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121213033130 is an abundant number, since it is smaller than the sum of its proper divisors (133681748830).

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

121213033130 is a wasteful number, since it uses less digits than its factorization.

121213033130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061943 (or 1061936 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121213033130 its reverse (31330312121), we get a palindrome (152543345251).

The spelling of 121213033130 in words is "one hundred twenty-one billion, two hundred thirteen million, thirty-three thousand, one hundred thirty".