123412150020 has 48 divisors (see below), whose sum is σ = 357469680960. Its totient is φ = 31775081856.

The previous prime is 123412150013. The next prime is 123412150027. The reversal of 123412150020 is 20051214321.

It is an interprime number because it is at equal distance from previous prime (123412150013) and next prime (123412150027).

It is a super-3 number, since 3×123412150020³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (123412150027) 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, 35461522 + ... + 35465001.

It is an arithmetic number, because the mean of its divisors is an integer number (7447285020).

Almost surely, 2^123412150020 is an apocalyptic number.

123412150020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123412150020 is an abundant number, since it is smaller than the sum of its proper divisors (234057530940).

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

123412150020 is a wasteful number, since it uses less digits than its factorization.

123412150020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70926564 (or 70926562 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 123412150020 its reverse (20051214321), we get a palindrome (143463364341).

The spelling of 123412150020 in words is "one hundred twenty-three billion, four hundred twelve million, one hundred fifty thousand, twenty".