121023201210030 has 48 divisors (see below), whose sum is σ = 359611797883104. Its totient is φ = 27662445990720.

The previous prime is 121023201210029. The next prime is 121023201210097. The reversal of 121023201210030 is 30012102320121.

121023201210030 is a `hidden beast` number, since 1 + 2 + 102 + 320 + 1 + 210 + 0 + 30 = 666.

It is a super-2 number, since 2×121023201210030² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121023201209985 and 121023201210012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96050159061 + ... + 96050160320.

It is an arithmetic number, because the mean of its divisors is an integer number (7491912455898).

Almost surely, 2^{121023201210030} is an apocalyptic number.

121023201210030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121023201210030 is an abundant number, since it is smaller than the sum of its proper divisors (238588596673074).

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

121023201210030 is a wasteful number, since it uses less digits than its factorization.

121023201210030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192100319401 (or 192100319398 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121023201210030 its reverse (30012102320121), we get a palindrome (151035303530151).

The spelling of 121023201210030 in words is "one hundred twenty-one trillion, twenty-three billion, two hundred one million, two hundred ten thousand, thirty".