1211231132102 has 8 divisors (see below), whose sum is σ = 1820487675000. Its totient is φ = 604401907104.

The previous prime is 1211231132101. The next prime is 1211231132117. The reversal of 1211231132102 is 2012311321121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211231132101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606828227 + ... + 606830222.

It is an arithmetic number, because the mean of its divisors is an integer number (227560959375).

Almost surely, 2^{1211231132102} is an apocalyptic number.

1211231132102 is a deficient number, since it is larger than the sum of its proper divisors (609256542898).

1211231132102 is a wasteful number, since it uses less digits than its factorization.

1211231132102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213658950.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1211231132102 its reverse (2012311321121), we get a palindrome (3223542453223).

The spelling of 1211231132102 in words is "one trillion, two hundred eleven billion, two hundred thirty-one million, one hundred thirty-two thousand, one hundred two".