144020123212 has 36 divisors (see below), whose sum is σ = 300334663944. Its totient is φ = 60217469760.

The previous prime is 144020123209. The next prime is 144020123239. The reversal of 144020123212 is 212321020441.

It is a super-2 number, since 2×144020123212² (a number of 23 digits) contains 22 as substring.

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, 8952898 + ... + 8968969.

It is an arithmetic number, because the mean of its divisors is an integer number (8342629554).

Almost surely, 2^144020123212 is an apocalyptic number.

It is an amenable number.

144020123212 is an abundant number, since it is smaller than the sum of its proper divisors (156314540732).

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

144020123212 is a wasteful number, since it uses less digits than its factorization.

144020123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17921926 (or 17921917 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 144020123212 its reverse (212321020441), we get a palindrome (356341143653).

The spelling of 144020123212 in words is "one hundred forty-four billion, twenty million, one hundred twenty-three thousand, two hundred twelve".