121023112132 has 24 divisors (see below), whose sum is σ = 241498610136. Its totient is φ = 52571125248.

The previous prime is 121023112117. The next prime is 121023112141. The reversal of 121023112132 is 231211320121.

It can be written as a sum of positive squares in 4 ways, for example, as 1268356996 + 119754755136 = 35614^2 + 346056^2 .

It is a super-2 number, since 2×121023112132² (a number of 23 digits) contains 22 as substring.

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, 68451103 + ... + 68452870.

It is an arithmetic number, because the mean of its divisors is an integer number (10062442089).

Almost surely, 2^121023112132 is an apocalyptic number.

It is an amenable number.

121023112132 is a deficient number, since it is larger than the sum of its proper divisors (120475498004).

121023112132 is a wasteful number, since it uses less digits than its factorization.

121023112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136904007 (or 136904005 counting only the distinct ones).

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

Adding to 121023112132 its reverse (231211320121), we get a palindrome (352234432253).

The spelling of 121023112132 in words is "one hundred twenty-one billion, twenty-three million, one hundred twelve thousand, one hundred thirty-two".