121023200001002 has 128 divisors (see below), whose sum is σ = 204240369231360. Its totient is φ = 53400085401600.

The previous prime is 121023200000993. The next prime is 121023200001059. The reversal of 121023200001002 is 200100002320121.

It is a happy number.

It is a super-2 number, since 2×121023200001002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69037762958 + ... + 69037764710.

It is an arithmetic number, because the mean of its divisors is an integer number (1595627884620).

Almost surely, 2^{121023200001002} is an apocalyptic number.

121023200001002 is a deficient number, since it is larger than the sum of its proper divisors (83217169230358).

121023200001002 is a wasteful number, since it uses less digits than its factorization.

121023200001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 121023200001002 its reverse (200100002320121), we get a palindrome (321123202321123).

The spelling of 121023200001002 in words is "one hundred twenty-one trillion, twenty-three billion, two hundred million, one thousand, two".