142003212 has 24 divisors (see below), whose sum is σ = 356828976. Its totient is φ = 43693248.

The previous prime is 142003171. The next prime is 142003223. The reversal of 142003212 is 212300241.

It is a junction number, because it is equal to n+sod(n) for n = 142003191 and 142003200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454983 + ... + 455294.

It is an arithmetic number, because the mean of its divisors is an integer number (14867874).

Almost surely, 2^142003212 is an apocalyptic number.

142003212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142003212 is an abundant number, since it is smaller than the sum of its proper divisors (214825764).

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

142003212 is a wasteful number, since it uses less digits than its factorization.

142003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910297 (or 910295 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 142003212 is about 11916.5100595770. The cubic root of 142003212 is about 521.7142782450.

Adding to 142003212 its reverse (212300241), we get a palindrome (354303453).

It can be divided in two parts, 1420032 and 12, that multiplied together give a square (17040384 = 4128²).

The spelling of 142003212 in words is "one hundred forty-two million, three thousand, two hundred twelve".