121101001011012 has 48 divisors (see below), whose sum is σ = 308547628329024. Its totient is φ = 36662685552000.

The previous prime is 121101001010959. The next prime is 121101001011017. The reversal of 121101001011012 is 210110100101121.

It is a super-2 number, since 2×121101001011012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (121101001011017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432202939 + ... + 432483042.

It is an arithmetic number, because the mean of its divisors is an integer number (6428075590188).

Almost surely, 2^{121101001011012} is an apocalyptic number.

121101001011012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121101001011012 is an abundant number, since it is smaller than the sum of its proper divisors (187446627318012).

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

121101001011012 is a wasteful number, since it uses less digits than its factorization.

121101001011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864687060 (or 864687058 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 121101001011012 its reverse (210110100101121), we get a palindrome (331211101112133).

The spelling of 121101001011012 in words is "one hundred twenty-one trillion, one hundred one billion, one million, eleven thousand, twelve".