1211050152 has 48 divisors (see below), whose sum is σ = 3532232340. Its totient is φ = 372630528.

The previous prime is 1211050133. The next prime is 1211050187. The reversal of 1211050152 is 2510501121.

1211050152 is a `hidden beast` number, since 1 + 2 + 110 + 501 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1210622436 + 427716 = 34794^2 + 654^2 .

It is a super-3 number, since 3×1211050152³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 645993 + ... + 647864.

Almost surely, 2^1211050152 is an apocalyptic number.

1211050152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1211050152 is an abundant number, since it is smaller than the sum of its proper divisors (2321182188).

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

1211050152 is a wasteful number, since it uses less digits than its factorization.

1211050152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293882 (or 1293875 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1211050152 is about 34800.1458617633. The cubic root of 1211050152 is about 1065.9104242980.

Adding to 1211050152 its reverse (2510501121), we get a palindrome (3721551273).

The spelling of 1211050152 in words is "one billion, two hundred eleven million, fifty thousand, one hundred fifty-two".