1211203332130 has 128 divisors (see below), whose sum is σ = 2521098639360. Its totient is φ = 414913536000.

The previous prime is 1211203332113. The next prime is 1211203332169. The reversal of 1211203332130 is 312333021121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20146956 + ... + 20206984.

It is an arithmetic number, because the mean of its divisors is an integer number (19696083120).

Almost surely, 2^{1211203332130} is an apocalyptic number.

1211203332130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211203332130 is an abundant number, since it is smaller than the sum of its proper divisors (1309895307230).

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

1211203332130 is a wasteful number, since it uses less digits than its factorization.

1211203332130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60236.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1211203332130 its reverse (312333021121), we get a palindrome (1523536353251).

The spelling of 1211203332130 in words is "one trillion, two hundred eleven billion, two hundred three million, three hundred thirty-two thousand, one hundred thirty".