157210012 has 12 divisors (see below), whose sum is σ = 275277240. Its totient is φ = 78559376.

The previous prime is 157209989. The next prime is 157210019. The reversal of 157210012 is 210012751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157210019) 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, 2962 + ... + 17977.

It is an arithmetic number, because the mean of its divisors is an integer number (22939770).

Almost surely, 2^157210012 is an apocalyptic number.

It is an amenable number.

157210012 is a deficient number, since it is larger than the sum of its proper divisors (118067228).

157210012 is a wasteful number, since it uses less digits than its factorization.

157210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22820 (or 22818 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 157210012 is about 12538.3416766333. The cubic root of 157210012 is about 539.7095053925.

Adding to 157210012 its reverse (210012751), we get a palindrome (367222763).

The spelling of 157210012 in words is "one hundred fifty-seven million, two hundred ten thousand, twelve".