122153012 has 12 divisors (see below), whose sum is σ = 214024356. Its totient is φ = 61003200.

The previous prime is 122153011. The next prime is 122153029. The reversal of 122153012 is 210351221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13868176 + 108284836 = 3724^2 + 10406^2 .

It is a super-3 number, since 3×122153012³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122153011) 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, 14489 + ... + 21312.

It is an arithmetic number, because the mean of its divisors is an integer number (17835363).

Almost surely, 2^122153012 is an apocalyptic number.

It is an amenable number.

122153012 is a deficient number, since it is larger than the sum of its proper divisors (91871344).

122153012 is a wasteful number, since it uses less digits than its factorization.

122153012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36658 (or 36656 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 122153012 is about 11052.2853745277. The cubic root of 122153012 is about 496.1748267252.

The spelling of 122153012 in words is "one hundred twenty-two million, one hundred fifty-three thousand, twelve".