121000206141560 has 32 divisors (see below), whose sum is σ = 272251177706160. Its totient is φ = 48399955543296.

The previous prime is 121000206141533. The next prime is 121000206141587. The reversal of 121000206141560 is 65141602000121.

It is an interprime number because it is at equal distance from previous prime (121000206141533) and next prime (121000206141587).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12303092 + ... + 19833468.

Almost surely, 2^{121000206141560} is an apocalyptic number.

121000206141560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121000206141560 is an abundant number, since it is smaller than the sum of its proper divisors (151250971564600).

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

121000206141560 is a wasteful number, since it uses less digits than its factorization.

121000206141560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932095 (or 7932091 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 121000206141560 its reverse (65141602000121), we get a palindrome (186141808141681).

The spelling of 121000206141560 in words is "one hundred twenty-one trillion, two hundred six million, one hundred forty-one thousand, five hundred sixty".