1505071212 has 12 divisors (see below), whose sum is σ = 3511832856. Its totient is φ = 501690400.

The previous prime is 1505071199. The next prime is 1505071213. The reversal of 1505071212 is 2121705051.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1505071212² = 4530478706382297888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1505071213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62711289 + ... + 62711312.

It is an arithmetic number, because the mean of its divisors is an integer number (292652738).

Almost surely, 2^1505071212 is an apocalyptic number.

1505071212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1505071212 is an abundant number, since it is smaller than the sum of its proper divisors (2006761644).

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

1505071212 is a wasteful number, since it uses less digits than its factorization.

1505071212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125422608 (or 125422606 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 1505071212 is about 38795.2472862334. The cubic root of 1505071212 is about 1146.0028111977.

Adding to 1505071212 its reverse (2121705051), we get a palindrome (3626776263).

The spelling of 1505071212 in words is "one billion, five hundred five million, seventy-one thousand, two hundred twelve".