1211341443130 has 64 divisors (see below), whose sum is σ = 2684705119488. Its totient is φ = 383209896960.

The previous prime is 1211341443079. The next prime is 1211341443133. The reversal of 1211341443130 is 313441431121.

It is not an unprimeable number, because it can be changed into a prime (1211341443133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1917954 + ... + 2470066.

It is an arithmetic number, because the mean of its divisors is an integer number (41948517492).

Almost surely, 2^{1211341443130} is an apocalyptic number.

1211341443130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211341443130 is an abundant number, since it is smaller than the sum of its proper divisors (1473363676358).

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

1211341443130 is a wasteful number, since it uses less digits than its factorization.

1211341443130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554551.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 1211341443130 its reverse (313441431121), we get a palindrome (1524782874251).

The spelling of 1211341443130 in words is "one trillion, two hundred eleven billion, three hundred forty-one million, four hundred forty-three thousand, one hundred thirty".