120213123102 has 24 divisors (see below), whose sum is σ = 265376141784. Its totient is φ = 39314983344.

The previous prime is 120213123071. The next prime is 120213123131. The reversal of 120213123102 is 201321312021.

120213123102 is a `hidden beast` number, since 1 + 20 + 21 + 312 + 310 + 2 = 666.

It is a super-2 number, since 2×120213123102² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63003828 + ... + 63005735.

It is an arithmetic number, because the mean of its divisors is an integer number (11057339241).

Almost surely, 2^120213123102 is an apocalyptic number.

120213123102 is an abundant number, since it is smaller than the sum of its proper divisors (145163018682).

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

120213123102 is a wasteful number, since it uses less digits than its factorization.

120213123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126009624 (or 126009621 counting only the distinct ones).

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

Adding to 120213123102 its reverse (201321312021), we get a palindrome (321534435123).

The spelling of 120213123102 in words is "one hundred twenty billion, two hundred thirteen million, one hundred twenty-three thousand, one hundred two".