1550512212 has 24 divisors (see below), whose sum is σ = 3679183200. Its totient is φ = 508077216.

The previous prime is 1550512207. The next prime is 1550512219. The reversal of 1550512212 is 2122150551.

It is a super-2 number, since 2×1550512212² = 4808176239122265888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550512219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094287 + ... + 1095702.

It is an arithmetic number, because the mean of its divisors is an integer number (153299300).

Almost surely, 2^1550512212 is an apocalyptic number.

1550512212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1550512212 is an abundant number, since it is smaller than the sum of its proper divisors (2128670988).

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

1550512212 is a wasteful number, since it uses less digits than its factorization.

1550512212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190055 (or 2190053 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1550512212 is about 39376.5439316352. The cubic root of 1550512212 is about 1157.4219928242.

Adding to 1550512212 its reverse (2122150551), we get a palindrome (3672662763).

The spelling of 1550512212 in words is "one billion, five hundred fifty million, five hundred twelve thousand, two hundred twelve".