1211200213132 has 48 divisors (see below), whose sum is σ = 2611270029312. Its totient is φ = 478691231040.

The previous prime is 1211200213121. The next prime is 1211200213177. The reversal of 1211200213132 is 2313120021121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1238428 + ... + 1988995.

It is an arithmetic number, because the mean of its divisors is an integer number (54401458944).

Almost surely, 2^{1211200213132} is an apocalyptic number.

It is an amenable number.

1211200213132 is an abundant number, since it is smaller than the sum of its proper divisors (1400069816180).

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

1211200213132 is a wasteful number, since it uses less digits than its factorization.

1211200213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228478 (or 3228476 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1211200213132 its reverse (2313120021121), we get a palindrome (3524320234253).

The spelling of 1211200213132 in words is "one trillion, two hundred eleven billion, two hundred million, two hundred thirteen thousand, one hundred thirty-two".