151212133025 has 12 divisors (see below), whose sum is σ = 187515948732. Its totient is φ = 120961381440.

The previous prime is 151212133021. The next prime is 151212133043. The reversal of 151212133025 is 520331212151.

It can be written as a sum of positive squares in 6 ways, for example, as 1225560064 + 149986572961 = 35008^2 + 387281^2 .

It is not a de Polignac number, because 151212133025 - 2² = 151212133021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151212132985 and 151212133003.

It is not an unprimeable number, because it can be changed into a prime (151212133021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176339 + ... + 577511.

It is an arithmetic number, because the mean of its divisors is an integer number (15626329061).

Almost surely, 2^151212133025 is an apocalyptic number.

It is an amenable number.

151212133025 is a deficient number, since it is larger than the sum of its proper divisors (36303815707).

151212133025 is a wasteful number, since it uses less digits than its factorization.

151212133025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416260 (or 416255 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 151212133025 its reverse (520331212151), we get a palindrome (671543345176).

The spelling of 151212133025 in words is "one hundred fifty-one billion, two hundred twelve million, one hundred thirty-three thousand, twenty-five".