1201121102132 has 24 divisors (see below), whose sum is σ = 2403195238080. Its totient is φ = 514561965120.

The previous prime is 1201121102119. The next prime is 1201121102149. The reversal of 1201121102132 is 2312011211021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201121102132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8437382 + ... + 8578557.

It is an arithmetic number, because the mean of its divisors is an integer number (100133134920).

Almost surely, 2^{1201121102132} is an apocalyptic number.

It is an amenable number.

1201121102132 is an abundant number, since it is smaller than the sum of its proper divisors (1202074135948).

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

1201121102132 is a wasteful number, since it uses less digits than its factorization.

1201121102132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17018471 (or 17018469 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1201121102132 its reverse (2312011211021), we get a palindrome (3513132313153).

The spelling of 1201121102132 in words is "one trillion, two hundred one billion, one hundred twenty-one million, one hundred two thousand, one hundred thirty-two".